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OB

ITU Operational Bulletin

Register · Recommendation ITU-T X.121

In accordance with ITU-T Recommendation X.121 (2000/10)

List of Data Network Identification Codes (DNIC)

Annexed to ITU OB No. 977 · Position on 31.V.2025

508 active entries · 35 replay errors· current state (latest OB) · Amended 58 times in subsequent editions

→ View full change history (59 patches)

Amendment history (58)

Amd. no. 15OB no. 1321

Date: 1.VIII.2025 · snapshot →

SUP1321-001SuppressionEffective1.V.2025

Spain SUP

Country/Area — DNIC No. — Name of network to which a DNIC is withdrawn

dnic numbercountry or areanetwork name
214 0ESPAGNEAdministración Pública
214 2SPAINRETEVISIÓN
214 5ESPAÑARed IBERPAC
214 7ESPAÑAFrance Telecom Redes y Servicios
214 9ESPAÑAMegaRed

See page 6 of the present Operational Bulletin No. 1321 of 1.VIII.2025.

Changed entries (8)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD ESPAGNEcountry/area: ESPAGNEdnic no.: 214 1name of network to which a dnic is allocated: Telefónica de España, S.A.U. (formerly Nodo internacional de datos)
  • ADD SPAINcountry/area: SPAINdnic no.:  name of network to which a dnic is allocated:  
  • ADD ESPAÑAcountry/area: ESPAÑAdnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

2025

Amd. no. 14OB no. 1314

Date: 15.IV.2025 · snapshot →

SUP1314-001SuppressionEffective

Spain SUP

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
214 1ESPAGNE SPAIN ESPAÑATelefónica de España, S.A.U. (formerly Nodo internacional de datos)

See page 8 of the present Operational Bulletin No. 1314 of 15.IV.2025.

Changed entries (6)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD ESPAGNEcountry/area: ESPAGNEdnic no.: 214 1name of network to which a dnic is allocated: Telefónica de España, S.A.U. (formerly Nodo internacional de datos)
  • ADD SPAINcountry/area: SPAINdnic no.:  name of network to which a dnic is allocated:  
  • ADD ESPAÑAcountry/area: ESPAÑAdnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

2023

Amd. no. 13OB no. 1273

Date: 1.VIII.2023 · snapshot →

ADD1273-001AdditionEffective

United States ADD

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
310 0ÉTATS-UNIS UNITED STATES ESTADOS UNIDOSEMARCONI

See also pages 5 and 6 of the present ITU Operational Bulletin No. 1273 of 1.VIII.2023.

Changed entries (6)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD ÉTATS-UNIScountry/area: ÉTATS-UNISdnic no.: 310 0name of network to which a dnic is allocated: EMARCONI
  • ADD UNITED STATEScountry/area: UNITED STATESdnic no.:  name of network to which a dnic is allocated:  
  • ADD ESTADOS UNIDOScountry/area: ESTADOS UNIDOSdnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

2019

Amd. no. 12OB no. 1179

Date: 1.IX.2019 · snapshot →

SUPP 13 216 1Suppression

P 13 216 1 SUP

Country/Area — DNIC No — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork namenote
216 1HONGRIE HUNGARY HUNGRÍAPacket Switched Data Service 1)1)use internally, see OB 965

See also Data Transmission Service message in this ITU Operational Bulletin No. 1179

Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD HONGRIE HUNGARY HUNGRÍA 1)use internally, see OB 965country/area: HONGRIE HUNGARY HUNGRÍA 1)use internally, see OB 965dnic no: 216 1name of network to which a dnic is allocated: Packet Switched Data Service 1)

2017

Amd. no. 11OB no. 1129

Date: 1.VIII.2017 · snapshot →

REPP 14Replacement

P 14 Japan REP all information by:

Country/Geographical area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
440 1JAPONDDX-P (NTT Communications Corporation)
440 2JAPANNEC-NET (NEC Corporation)
440 5JAPÓNNCC-VAN (Nomura Research Institute, Ltd.)
441 7JAPÓNTIS-Net (TIS Inc.)
441 8JAPÓNTG-VAN (TOSHIBA Corporation)
442 4JAPÓNSITA NETWORK
442 5JAPÓNGLOBAL MANAGED DATA SERVICE (Cable & Wireless IDC-Si)

See also pages 4-5 of this ITU Operational Bulletin No. 1129.

Changed entries (7)
  • ADD JAPONcountry/geographical area: JAPONdnic no.: 440 1name of network to which a dnic is allocated: DDX-P (NTT Communications Corporation)
  • ADD JAPANcountry/geographical area: JAPANdnic no.: 440 2name of network to which a dnic is allocated: NEC-NET (NEC Corporation)
  • ADD JAPÓNcountry/geographical area: JAPÓNdnic no.: 440 5name of network to which a dnic is allocated: NCC-VAN (Nomura Research Institute, Ltd.)
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

2016

Amd. no. 10OB no. 1098

Date: 15.IV.2016 · snapshot →

LIR1098-001Lapsed / Inactive Record

SENEGAL LIR

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
608 1SÉNÉGAL SENEGALSENPAC/Sonatel (Orange)
Changed entries (4)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD SÉNÉGALcountry/area: SÉNÉGALdnic no.: 608 1name of network to which a dnic is allocated: SENPAC/Orange (Sonatel)
  • ADD SENEGALcountry/area: SENEGALdnic no.:  name of network to which a dnic is allocated:  
  • ADD SENEGALcountry/area: SENEGALdnic no.:  name of network to which a dnic is allocated:  

2015

Amd. no. 9OB no. 1081

Date: 1.VIII.2015 · snapshot →

SUP1081-001SuppressionEffective1.IV.2011

206 1, 206 2, 206 4, 206 5, 206 8 and 206 9 SUP

Country/Geographical area — DNIC No. — Name of network to which a DNIC is withdrawn

dnic numbercountry or areanetwork name
206 1BELGIQUEProximus
206 2BELGIUMProximus - Réseau de transmission de données à commutation par paquets (DCS)
206 4BÉLGICAProximus - CODENET
206 5BÉLGICAProximus - (Le code est utilisé au niveau national pour le réseau DCS)
206 8BÉLGICAProximus - Accès au réseau DCS via le réseau télex commuté national
206 9BÉLGICAProximus - Accès au réseau DCS via le réseau téléphonique commuté national

(Annex to ITU Operational Bulletin No. 977 – 1.IV.2011) (Amendment No. 8)

Changed entries (7)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD BELGIQUEcountry/geographical area: BELGIQUEdnic no.: 206 1name of network to which a dnic is withdrawn: Proximus
  • ADD BELGIUMcountry/geographical area: BELGIUMdnic no.: 206 2name of network to which a dnic is withdrawn: Proximus - Réseau de transmission de données à commutation par paquets (DCS)
  • ADD BÉLGICAcountry/geographical area: BÉLGICAdnic no.: 206 4name of network to which a dnic is withdrawn: Proximus - CODENET
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

2014

Amd. no. 8OB no. 1054

Date: 15.VI.2014 · snapshot →

LIR1054-001Lapsed / Inactive RecordEffective

SENEGAL LIR

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
608 1SÉNÉGAL SENEGALSENPAC/Orange (Sonatel)
Changed entries (6)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD SÉNÉGALcountry/area: SÉNÉGALdnic no.: 608 1name of network to which a dnic is allocated: SENPAC/Orange (Sonatel)
  • ADD SENEGALcountry/area: SENEGALdnic no.:  name of network to which a dnic is allocated:  
  • ADD SENEGALcountry/area: SENEGALdnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  
  • ADD  country/area:  dnic no.:  name of network to which a dnic is allocated:  

Amd. no. 7OB no. 1027

Date: 1.V.2013 · snapshot →

ADDP 26AdditionEffective

P 26 Ukraine ADD

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
255 1UKRAINE UKRAINE UCRANIAbkcNET (RADIOCONNECT Ltd)
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD UKRAINE UKRAINE UCRANIAcountry/area: UKRAINE UKRAINE UCRANIAdnic no.: 255 1name of network to which a dnic is allocated: bkcNET (RADIOCONNECT Ltd)

Amd. no. 6OB no. 1023

Date: 1.III.2013 · snapshot →

SUPP 26SuppressionEffective

P 26 SWITZERLAND SUP

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
228 3SUISSE SWITZERLAND SUIZABebbicell AG
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD SUISSE SWITZERLAND SUIZAcountry/area: SUISSE SWITZERLAND SUIZAdnic no.: 228 3name of network to which a dnic is allocated: Bebbicell AG

2013

Amd. no. 5OB no. 1021

Date: 1.II.2013 · snapshot →

ADDP 13AdditionEffective

P 13 United States ADD

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
316 3ETATS-UNIS UNITED STATES ESTADOS UNIDOSKonnect, LLC – International data network
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD ETATS-UNIS UNITED STATES ESTADOS UNIDOScountry/area: ETATS-UNIS UNITED STATES ESTADOS UNIDOSdnic no.: 316 3name of network to which a dnic is allocated: Konnect, LLC – International data network

Amd. no. 4OB no. 1014

Date: 15.X.2012 · snapshot →

SUPP 206 6SuppressionEffective

P 206 6 SUP

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
206 6BELGIQUE BELGIUM BÉLGICAUnisource Belgium X.25 Service
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD BELGIQUE BELGIUM BÉLGICAcountry/area: BELGIQUE BELGIUM BÉLGICAdnic no.: 206 6name of network to which a dnic is allocated: Unisource Belgium X.25 Service

2012

Amd. no. 3OB no. 998

Date: 15.II.2012 · snapshot →

SUPP 21 240 2SuppressionEffective

P21 240 2 SUP

Country/Area — DNIC No. — Name of network to which a DNIC is withdrawn

dnic numbercountry or areanetwork name
240 2SUÈDE SWEDEN SUECIAWM-data Infrastructur
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD SUÈDE SWEDEN SUECIAcountry/area: SUÈDE SWEDEN SUECIAdnic no.: 240 2name of network to which a dnic is withdrawn: WM-data Infrastructur

Amd. no. 2OB no. 982

Date: 15.VI.2011 · snapshot →

SUPP 23 230 30SuppressionEffective

P 23 230 30 SUP

Country/Area — DNIC No. — Name of network to which a DNIC is allocated

dnic numbercountry or areanetwork name
230 30RÉP. TCHÈQUE CZECH REP. REP. CHECAG-NET
Changed entries (2)
  • ADD 1country/area: 1dnic no.: 2name of network to which a dnic is allocated: 3
  • ADD RÉP. TCHÈQUE CZECH REP. REP. CHECAcountry/area: RÉP. TCHÈQUE CZECH REP. REP. CHECAdnic no.: 230 30name of network to which a dnic is allocated: G-NET

Current entries

country/areacountry/geographical areacountry or areadnic nodnic no.dnic numbername of network to which a dnic is allocatedname of network to which a dnic is withdrawnnetwork namenote
ALGÉRIE ALGERIA ARGELIA603 0DZ PAC (Réseau public de données à commutation par paquet)
ANDORRE ANDORRA ANDORRA213 5ANDORPAC
ANGOLA ANGOLA ANGOLA631 5ANGOPAC
ANTIGUA-ET-BARBUDA ANTIGUA AND BARBUDA ANTIGUA Y BARBUDA344 3Antigua Packet Switched Service
ARGENTINE ARGENTINA ARGENTINA722 1Nodo Internacional de Datos – TELINTAR
ARGENTINE ARGENTINA ARGENTINA722 2ARPAC (ENTEL)
ARGENTINE ARGENTINA ARGENTINA722 3EASYGATE (ATT)
ARMÉNIE ARMENIA ARMENIA283 0ArmPac
AUSTRALIE AUSTRALIA AUSTRALIA505 2Telstra Corporation Ltd. – AUSTPAC packet switching network
AUSTRALIE AUSTRALIA AUSTRALIA505 3Telstra Corporation Ltd. – AUSTPAC International
AUSTRALIE AUSTRALIA AUSTRALIA505 7Australian Private Networks
AUTRICHE AUSTRIA AUSTRIA232 2Dataswitch (DATAKOM)use internally, see OB 971
AUTRICHE AUSTRIA AUSTRIA232 9Radausdata (DATAKOM)
AZERBAÏDJAN AZERBAIJAN AZERBAIYÁN400 1AZPAK (Azerbaijan Public Packet Switched Data Network)
AZERBAÏDJAN AZERBAIJAN AZERBAIYÁN400 2«AzEuroTel» Joint Venture
BAHREÏN BAHRAIN BAHREIN426 0Batelco GSM Service
BAHREÏN BAHRAIN BAHREIN426 2Bahrain Managed Data Network (MADAN)
BAHREÏN BAHRAIN BAHREIN426 3Batelco Packet Switched Node
BARBADE BARBADOS BARBADOS342 2CARIBNET
BARBADE BARBADOS BARBADOS342 3International Data Base Access Service (IDAS)
BÉLARUS BELARUS BELARÚS257 0BELPAK
BELGIQUE BELGIUM BÉLGICA206 2Réseau de transmission de données à commutation par paquets (DCS)
BELGIQUE BELGIUM BÉLGICA206 4CODENET
BELGIQUE BELGIUM BÉLGICA206 5(Le code est utilisé au niveau national pour le réseau DCS)
BELGIQUE BELGIUM BÉLGICA206 6Unisource Belgium X.25 Service
BELGIQUE BELGIUM BÉLGICA206 7MOBISTAR
BELGIQUE BELGIUM BÉLGICA206 8Accès au réseau DCS via le réseau télex commuté national
BELGIQUE BELGIUM BÉLGICA206 9Accès au réseau DCS via le réseau téléphonique commuté national
BERMUDES BERMUDA BERMUDAS350 2Cable and Wireless Data Communications Node
BERMUDES BERMUDA BERMUDAS350 3Cable and Wireless Packet Switched Node
BOSNIE-HERZÉGOVINE BOSNIA AND HERZEGOVINA BOSNIA Y HERZEGOVINA218 0BIHPAK
BRÉSIL BRAZIL BRASIL724 0International Packet Switching Data Communication Service (INTERDATA)
BRÉSIL BRAZIL BRASIL724 1National Packet Switching Data Communication Service (RENPAC)
BRÉSIL BRAZIL BRASIL724 2RIOPAC
BRÉSIL BRAZIL BRASIL724 3MINASPAC
BRÉSIL BRAZIL BRASIL724 4TRANSPAC
BRÉSIL BRAZIL BRASIL724 5Fac Simile Service (DATA FAX)
BRÉSIL BRAZIL BRASIL724 6BRAZILIAN PRIVATE NETWORKS
BRÉSIL BRAZIL BRASIL724 7DATASAT BI
BRÉSIL BRAZIL BRASIL725 1S.PPAC
BRÉSIL BRAZIL BRASIL725 2TELEST PUBLIC PACKET DATA NETWORK
BRÉSIL BRAZIL BRASIL725 3TELEMIG Public Switched Packet Data Network
BRÉSIL BRAZIL BRASIL725 4PACPAR
BRÉSIL BRAZIL BRASIL725 5CRT/CTMR
BRÉSIL BRAZIL BRASIL725 6Western and Midwestern Public Switched Packet Data Network
BRÉSIL BRAZIL BRASIL725 7TELEBAHIA and TELERGIPE Public Switched Packet Data Network
BRÉSIL BRAZIL BRASIL725 8Northeastern Public Switched Packet Data Network
BRÉSIL BRAZIL BRASIL725 9Northern Public Switched Packet Data Network
BURKINA FASO BURKINA FASO BURKINA FASO613 2FASOPAC
CAMEROUN CAMEROON CAMERÚN624 2CAMPAC
CANADA CANADA CANADÁ302 0Telecom Canada Datapak Network
CANADA CANADA CANADÁ302 1Telecom Canada PSTN Access
CANADA CANADA CANADÁ302 2Stentor Private Packet Switched Data Network Gateway
CANADA CANADA CANADÁ302 3Stentor ISDN Identification
CANADA CANADA CANADÁ302 4Teleglobe Canada – Globedat-C Circuit Switched Data Transmission
CANADA CANADA CANADÁ302 5Teleglobe Canada – Globedat-P Packed Switched Data Transmission
CANADA CANADA CANADÁ302 6AT&T Canada Long Distance Services – FasPac
CANADA CANADA CANADÁ302 8AT&T Canada Long Distance Services – Packet Switched Public Data Network    (PSPDN)
CANADA CANADA CANADÁ303 6Sprint Canada Frame Relay Service – Packet-Switched Network
CANADA CANADA CANADÁ303 7TMI Communications, Limited Partnership – Mobile Data Service (MDS) X.25 public switched data network
CANADA CANADA CANADÁ303 8Canada Post – POSTpac – X.25 Packet Switched Data Network
CANADA CANADA CANADÁ303 9Telesat Canada – Anikom 200
CAP-VERT CAPE VERDE CABO VERDE625 5CVDATA
CAYMAN (ILES) CAYMAN ISLANDS CAIMANES (ISLAS)346 3Cable and Wireless Packet Switching Node
TCHAD CHAD CHAD622 2TCHADPAC
CHILI CHILE CHILE730 2Red nacional de transmisión de datos
CHINE CHINA CHINA460 1Teletex and low speed data network
CHINE CHINA CHINA460 200-207China CAAC privileged data network
CHINE CHINA CHINA460 3CHINAPAC
CHINE CHINA CHINA460 4Reserved for public mobile data service
CHINE CHINA CHINA460 5Public data network
CHINE CHINA CHINA460 6Dedicated network
CHINE CHINA CHINA460 7Dedicated network
CHINE CHINA CHINA460 8Dedicated network
CHINE CHINA CHINA460 9China Railcom PAC
COLOMBIE COLOMBIA COLOMBIA732 1RED DE ALTA VELOCIDAD
COSTA RICA COSTA RICA COSTA RICA712 0RACSADATOS
CÔTE D'IVOIRE CÔTE D'IVOIRE CÔTE D'IVOIRE612 2SYTRANPAC
CROATIE CROATIA CROACIA219 1CROAPAK (Croatian Packet Switching Data Network)
CUBA CUBA CUBA368 0Servicios de información por conmutación de paquetes del IDICT
CURAÇAO CURAÇAO CURAÇAO362 0TELEMATIC NETWORK
CURAÇAO CURAÇAO CURAÇAO362 1DATANET CURACAO
CHYPRE CYPRUS CHIPRE280 2CYTAPAC – PSDN, subscribers with direct access
CHYPRE CYPRUS CHIPRE280 8CYTAPAC – PSDN, subscribers with access via telex
CHYPRE CYPRUS CHIPRE280 9CYTAPAC – PSDN, subscribers with access via PSTN – X.28, X.32
RÉP. TCHÈQUE CZECH REP. REP. CHECA230 1Telefónica O2 Czech Repubic
RÉP. TCHÈQUE CZECH REP. REP. CHECA230 30G-NET
RÉP. TCHÈQUE CZECH REP. REP. CHECA230 40-44RadioNET
DANEMARK DENMARK DINAMARCA238 0Tele Danmark A/S
DANEMARK DENMARK DINAMARCA238 1DATEX (Circuit Switched Network)
DANEMARK DENMARK DINAMARCA238 2DATAPAK (Packet Switched Network)
DANEMARK DENMARK DINAMARCA238 3DATAPAK (Packet Switched Network)
DANEMARK DENMARK DINAMARCA238 4Transpac
DANEMARK DENMARK DINAMARCA238 5SONOFON GSM
DOMINICAINE (RÉP.) DOMINICAN REP. DOMINICANA (REP.)370 6All America Cables and Radio Inc.
ÉGYPTE EGYPT EGIPTO602 6EGYPTNET
ESTONIE ESTONIA ESTONIA248 0ESTPAK
FÉROE (ILES) FAROE ISLANDS FEROE (ISLAS)288 1FAROEPAC
FIDJI FIJI FIJI542 0FIJPAK
FIDJI FIJI FIJI542 1FIJINET
FINLANDE FINLAND FINLANDIA244 2Sonera Carrier Networks Oy
FINLANDE FINLAND FINLANDIA244 3Elisa Oyj
FINLANDE FINLAND FINLANDIA244 4Song Networks Oy
FRANCE FRANCE FRANCIA208 0Réseau de transmission de données à commutation par paquets TRANSPAC
FRANCE FRANCE FRANCIA208 1France de transit international
FRANCE FRANCE FRANCIA208 2Grands services publics
FRANCE FRANCE FRANCIA208 3Administrations
FRANCE FRANCE FRANCIA208 4Air France
FRANCE FRANCE FRANCIA208 5SIRIS
FRANCE FRANCE FRANCIA208 6BT France
FRANCE FRANCE FRANCIA208 9Interconnexion entre le réseau public de transmission de données Transpac et    d'autres réseaux publics français, pour des services offerts en mode synchrone
POLYNÉSIE FRANÇAISE FRENCH POLYNESIA POLINESIA FRANCESA547 0Transpac – Polynésie et opérateur public local
GABON GABON GABÓN628 0GABONPAC (Réseau de transmission de données à commutation par paquets)
GABON GABON GABÓN628 2GABONPAC2
GAMBIE GAMBIA GAMBIA607 0GAMNET
GÉORGIE GEORGIA GEORGIA282 1IBERIAPAC
ALLEMAGNE GERMANY ALEMANIA262 1ISDN/X.25
ALLEMAGNE GERMANY ALEMANIA262 2Circuit Switched Data Service (DATEX-L)
ALLEMAGNE GERMANY ALEMANIA262 4Packet Switched Data Service (DATEX-P)
ALLEMAGNE GERMANY ALEMANIA262 5Satellite Services
ALLEMAGNE GERMANY ALEMANIA262 7Teletex
ALLEMAGNE GERMANY ALEMANIA262 9D2-Mannesmann
ALLEMAGNE GERMANY ALEMANIA263 1CoNetP
ALLEMAGNE GERMANY ALEMANIA263 2RAPNET
ALLEMAGNE GERMANY ALEMANIA263 3DPS
ALLEMAGNE GERMANY ALEMANIA263 4EkoNet
ALLEMAGNE GERMANY ALEMANIA263 6ARCOR/PSN-1
ALLEMAGNE GERMANY ALEMANIA264 0DETECON
ALLEMAGNE GERMANY ALEMANIA264 1SCN
ALLEMAGNE GERMANY ALEMANIA264 2INFO AG NWS
ALLEMAGNE GERMANY ALEMANIA264 4IDNS
ALLEMAGNE GERMANY ALEMANIA264 5ARCOR/otelo-net1
ALLEMAGNE GERMANY ALEMANIA264 6EuroDATA
ALLEMAGNE GERMANY ALEMANIA264 7ARCOR/otelo-net2
ALLEMAGNE GERMANY ALEMANIA264 8SNSPac
ALLEMAGNE GERMANY ALEMANIA264 9MMONET
ALLEMAGNE GERMANY ALEMANIA265 1WestLB X.25 Net
ALLEMAGNE GERMANY ALEMANIA265 2PSN/FSINFOSYSBW
ALLEMAGNE GERMANY ALEMANIA265 3ARCOR/PSN-2
ALLEMAGNE GERMANY ALEMANIA265 4TNET
ALLEMAGNE GERMANY ALEMANIA265 5ISIS_DUS
ALLEMAGNE GERMANY ALEMANIA265 6RWE TELPAC
ALLEMAGNE GERMANY ALEMANIA265 7DTN/AutoFüFmNLw
ALLEMAGNE GERMANY ALEMANIA265 8DRENET
ALLEMAGNE GERMANY ALEMANIA265 9GCN (Geno Communication Network)
GHANA GHANA GHANA620 2DATATEL
GRÈCE GREECE GRECIA202 3Packet Switched Public Data Network (HELLASPAC)
GRÈCE GREECE GRECIA202 7LAN-NET
GROËNLAND GREENLAND GROENLANDIA290 1DATAPAK (Packet Switched Network)
GRENADE GRENADA GRANADA352 2CARIBNET
GUAM GUAM GUAM535 1The Pacific Connection, Inc. – Pacnet Public Packet Switching Service
GUYANA GUYANA GUYANA738 0GT&T PAC
HONDURAS HONDURAS HONDURAS708 0HONDUPAQ
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA453 8Cable & Wireless Regional Businesses (Kong Kong) Limited
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 0Public Switched Document Transfer Service
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 1Hutchison Global Crossing Limited
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 3New T&T
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 5DATAPAK
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 6iAsiaWorks (HK) Service
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 7New World Telephone Limited
HONG KONG, CHINE HONG KONG, CHINA HONG KONG, CHINA454 8KDD Telecomet Hong Kong Ltd.
HONGRIE HUNGARY HUNGRÍA216 1Packet Switched Data Serviceuse internally, see OB 965
ISLANDE ICELAND ISLANDIA274 0ISPAK/ICEPAC
INDE INDIA INDIA404 1RABMN
INDE INDIA INDIA404 2International Gateway Packet Switching System (GPSS)
INDE INDIA INDIA404 3INET (Packet Switched Public Data Network)
INDE INDIA INDIA404 5HVnet
INDE INDIA INDIA404 6Shared DNIC for VSAT Based Private Data Networks
INDONÉSIE INDONESIA INDONESIA510 1SKDP Packet Switched Service (Sambungan Komunikasi Data Paket)
INMARSAT INMARSAT INMARSAT111 1Atlantic Ocean-East
INMARSAT INMARSAT INMARSAT111 2Pacific Ocean
INMARSAT INMARSAT INMARSAT111 3Indian Ocean
INMARSAT INMARSAT INMARSAT111 4Atlantic Ocean-West
IRAN (RÉPUBLIQUE ISLAMIQUE D') IRAN (ISLAMIC REPUBLIC OF) IRÁN (REPÚBLICA ISLÁMICA DEL)432 1IranPac
IRLANDE IRELAND IRLANDA272 1International Packet Switched Service
IRLANDE IRELAND IRLANDA272 3EURONET
IRLANDE IRELAND IRLANDA272 4EIRPAC (Packet Switched Data Networks)
IRLANDE IRELAND IRLANDA272 8PostNET (PostGEM Packet Switched Data Network)
ISRAËL ISRAEL ISRAEL425 1ISRANET
ITALIE ITALY ITALIA222 1Rete Telex-Dati (Amministrazione P.T. / national)
ITALIE ITALY ITALIA222 2ITAPAC X.25
ITALIE ITALY ITALIA222 3PAN (Packet Network)
ITALIE ITALY ITALIA222 6ITAPAC – X.32 PSTN, X.28, D channel
ITALIE ITALY ITALIA222 7ITAPAC International
ITALIE ITALY ITALIA223 3ALBADATA X.25
ITALIE ITALY ITALIA223 4Trasmissione dati a commutazione di pacchetto X.25 (UNISOURCE ITALIA S.p.A.)
ITALIE ITALY ITALIA223 5Trasmissione dati a commutazione di pacchetto X.25 (INFOSTRADA S.p.A.)
ITALIE ITALY ITALIA223 6Trasmissione dati a commutazione di pacchetto X.25 (WIND Telecomunicazioni S.p.A.)
ITALIE ITALY ITALIA223 7Trasmissione dati a commutazione di pacchetto X.25 (Atlanet S.p.A.)
JAPON JAPAN JAPÓN440 0GLOBALNET (Network of the Global VAN Japan Incorporation)
JAPON JAPAN JAPÓN440 2NEC-NET (NEC Corporation)
JAPON JAPAN JAPÓN440 3JENSNET (JENS Corporation)
JAPON JAPAN JAPÓN440 4JAIS-NET (Japan Research Institute Ltd.)
JAPON JAPAN JAPÓN440 5NCC-VAN (NRI Co., Ltd.)
JAPON JAPAN JAPÓN440 6TYMNET-JAPAN (JAPAN TELECOM COMMUNICATIONS SERVICES CO.,    LTD.)
JAPON JAPAN JAPÓN441 2Sprintnet (Global One Communications, INC.)
JAPON JAPAN JAPÓN441 3KYODO NET (UNITED NET Corp)
JAPON JAPAN JAPÓN441 5FENICS (FUJITSU LIMITED)
JAPON JAPAN JAPÓN441 6HINET (HITACHI Information Network, Ltd.)
JAPON JAPAN JAPÓN441 7TIS-Net (TOYO Information Systems Co., Ltd.)
JAPON JAPAN JAPÓN441 8TG-VAN (TOSHIBA Corporation)
JAPON JAPAN JAPÓN442 0Pana-Net (MATSUSHITA ELECTRIC INDUSTRIAL CO. LTD.)
JAPON JAPAN JAPÓN442 2CTC-P (CHUBU TELECOMMUNICATIONS CO., INC.)
JAPON JAPAN JAPÓN442 3JENSNET (JENS Corporation)
JAPON JAPAN JAPÓN442 4SITA NETWORK
JAPON JAPAN JAPÓN442 5GLOBAL MANAGED DATA SERVICE (Cable & Wireless IDC-Si)
JAPON JAPAN JAPÓN442 6ECHO-NET (HITAHC INFORMATION SYSTEMS LTD.)
JAPON JAPAN JAPÓN442 7U-net (NIHON UNYSYS INFORMATION SYSTEMS LTD.)
KAZAKHSTAN KAZAKHSTAN KAZAJSTÁN401 0KazNet X.25
KAZAKHSTAN KAZAKHSTAN KAZAJSTÁN401 1BankNet X.25
KENYA KENYA KENYA639 0KENPAC – Telkom Kenya Ltd.
CORÉE (RÉP. DE) KOREA (REP. OF) COREA (REP. DE)450 0HiNET-P (KOREA TELECOM)
CORÉE (RÉP. DE) KOREA (REP. OF) COREA (REP. DE)450 1DACOM-NET
CORÉE (RÉP. DE) KOREA (REP. OF) COREA (REP. DE)450 2CSDN (attribué seulement au télétex/only assigned to Teletex/atribuido    solamente al teletex)
KOWEÏT KUWAIT KUWAIT419 5Qualitynet
LETTONIE LATVIA LETONIA247 1Latvijas mobilais telefons
LETTONIE LATVIA LETONIA247 2Tele2
LETTONIE LATVIA LETONIA247 3Telekom Baltija
LETTONIE LATVIA LETONIA247 4MDBA
LETTONIE LATVIA LETONIA247 5Rigatta
LETTONIE LATVIA LETONIA247 6Rixtel
LETTONIE LATVIA LETONIA247 7Advem
LETTONIE LATVIA LETONIA247 8AWA Baltic
LIBAN LEBANON LÍBANO415 5Réseau public de transmission de données par paquets
LITUANIE LITHUANIA LITUANIA246 2Vilnius DATAPAK
LITUANIE LITHUANIA LITUANIA246 3Omnitel
LUXEMBOURG LUXEMBOURG LUXEMBURGO270 2CODENET
LUXEMBOURG LUXEMBOURG LUXEMBURGO270 3RAPNET (Regional ATS Packet Switched Network)
LUXEMBOURG LUXEMBOURG LUXEMBURGO270 4LUXPAC (réseau de transmission de données à commutation par paquets)
LUXEMBOURG LUXEMBOURG LUXEMBURGO270 5LUXNET (interconnection entre le réseau public de transmission de données et d'autres réseaux publics luxembourgeois)
LUXEMBOURG LUXEMBOURG LUXEMBURGO270 9LUXPAC (accès X.28 et X.32 au réseau téléphonique commuté)
MACAO, CHINE MACAU, CHINA MACAO, CHINA455 0MACAUPAC
MADAGASCAR MADAGASCAR MADAGASCAR646 0INFOPAC
MALAISIE MALAYSIA MALASIA502 0COINS Global Frame Relay
MALAISIE MALAYSIA MALASIA502 1Malaysian Public Packet Switched Public Data Network (MAYPAC)
MALAISIE MALAYSIA MALASIA502 3Corporate Information Networks
MALAISIE MALAYSIA MALASIA502 4ACASIA-ASEAN Managed Overlay Network
MALAISIE MALAYSIA MALASIA502 6Mutiara Frame Relay Network
MALAISIE MALAYSIA MALASIA502 7Mobile Public Data Network (WAVENET)
MALAISIE MALAYSIA MALASIA502 8Global Management Data Services (GMDS)
MALDIVES MALDIVES MALDIVAS472 0DATANET (Maldives Packet Switching Service)
MALTE MALTA MALTA278 2MALTAPAC (Packet Switching Service)
MEXIQUE MEXICO MÉXICO334 0TELEPAC
MEXIQUE MEXICO MÉXICO334 1UNITET
MEXIQUE MEXICO MÉXICO334 2IUSANET
MEXIQUE MEXICO MÉXICO334 3TEI
MEXIQUE MEXICO MÉXICO334 4OPTEL
MEXIQUE MEXICO MÉXICO334 5TELNORPAC
MEXIQUE MEXICO MÉXICO334 6TYMPAQ
MEXIQUE MEXICO MÉXICO334 7SINFRARED
MEXIQUE MEXICO MÉXICO334 8INTERVAN
MEXIQUE MEXICO MÉXICO334 9INTELCOMNET
MEXIQUE MEXICO MÉXICO335 0AVANTEL, S.A.
MEXIQUE MEXICO MÉXICO335 1ALESTRA, S. DE R.L. DE C.V.
MICRONÉSIE MICRONESIA MICRONESIA550 1FSMTC Packet Switched Network
MAROC MOROCCO MARRUECOS604 1MAGHRIPAC
MAROC MOROCCO MARRUECOS604 2MAGHRIPAC X.32
MAROC MOROCCO MARRUECOS604 9MAGHRIPAC RTC PAD
MOZAMBIQUE MOZAMBIQUE MOZAMBIQUE643 5COMPAC (Packet Switching Public Data Network)
MYANMAR MYANMAR MYANMAR414 1MYANMARP
NAMIBIE NAMIBIA NAMIBIA649 0SWANET (Public Packet Switched Network)
NÉPAL NEPAL NEPAL429 0NEPPAK (Nepal Packet Switched Public Data Network)
PAYS-BAS NETHERLANDS PAÍSES BAJOS204 1Datanet 1 X.25 access
PAYS-BAS NETHERLANDS PAÍSES BAJOS204 4Unisource/Unidata
PAYS-BAS NETHERLANDS PAÍSES BAJOS204 6Unisource/VPNS
PAYS-BAS NETHERLANDS PAÍSES BAJOS205 2NV CasTel
PAYS-BAS NETHERLANDS PAÍSES BAJOS205 3Global One Communications BV
PAYS-BAS NETHERLANDS PAÍSES BAJOS205 5Rabofacet BV
PAYS-BAS NETHERLANDS PAÍSES BAJOS205 7Trionet v.o.f.
NOUVELLE-CALÉDONIE NEW CALEDONIA NUEVA CALEDONIA546 0Transpac – Nouvelle Calédonie et opérateur public local
NOUVELLE-ZÉLANDE NEW ZEALAND NUEVA ZELANDIA530 1PACNET Packet Switching Network
NICARAGUA NICARAGUA NICARAGUA710 0NicaPac
NORVÈGE NORWAY NORUEGA242 1DATEX (Circuit Switched Network, CSDN)
NORVÈGE NORWAY NORUEGA242 2DATAPAK (Packet Switched Network, PSDN)
NORVÈGE NORWAY NORUEGA242 9Shared by private data networks, for PNIC allocation
PAKISTAN PAKISTAN PAKISTÁN410 1TRANSLINK
PANAMA PANAMA PANAMÁ714 1Red de transmisión de datos con conmutación de paquetes (INTELPAQ)
PANAMA PANAMA PANAMÁ714 4CWP DATA NETWORK
PARAGUAY PARAGUAY PARAGUAY744 0PARABAN
PARAGUAY PARAGUAY PARAGUAY744 7ANTELPAC
PARAGUAY PARAGUAY PARAGUAY744 8PARAPAQ
PÉROU PERU PERÚ716 0MEGANET (PERUNET)
PÉROU PERU PERÚ716 1MEGANET
PHILIPPINES PHILIPPINES FILIPINAS515 1CWI DATANET – Capitol Wireless, Inc. (CAPWIRE)
PHILIPPINES PHILIPPINES FILIPINAS515 2Philippine Global Communications, Inc. (PHILCOM)
PHILIPPINES PHILIPPINES FILIPINAS515 4Globe-Mackay Cable and Radio Corp. (GMCR)
PHILIPPINES PHILIPPINES FILIPINAS515 6Eastern Telecommunications Philippines, Inc. (ETPI)
PHILIPPINES PHILIPPINES FILIPINAS515 7DATAPAC
POLOGNE POLAND POLONIA260 1POLPAK
POLOGNE POLAND POLONIA260 3EXATEL
POLOGNE POLAND POLONIA260 4POLPAK-T
POLOGNE POLAND POLONIA260 621DATACOM
POLOGNE POLAND POLONIA260 622MNI
POLOGNE POLAND POLONIA260 6301INTERNET GROUP
POLOGNE POLAND POLONIA260 6303INTERNET TECHNOLOGIES
POLOGNE POLAND POLONIA260 6304INTERTELE
POLOGNE POLAND POLONIA260 641PAGI
POLOGNE POLAND POLONIA260 642CROWLEY DATA POLAND
POLOGNE POLAND POLONIA260 651MEDIATEL
POLOGNE POLAND POLONIA260 661KOLPAK
POLOGNE POLAND POLONIA260 662ENERGIS POLSKA
POLOGNE POLAND POLONIA260 672VPN SERVICE
POLOGNE POLAND POLONIA260 681EXATEL
POLOGNE POLAND POLONIA260 691NETIA
POLOGNE POLAND POLONIA260 7CUPAK
PORTUGAL PORTUGAL PORTUGAL268 0PrimeNet
PORTUGAL PORTUGAL PORTUGAL268 1OniSolutions -Infocomunicações, S.A.
PORTUGAL PORTUGAL PORTUGAL268 2CPRM-Marconi
PORTUGAL PORTUGAL PORTUGAL268 3Eastécnica, Electrónica e Técnica, S.A.
PORTUGAL PORTUGAL PORTUGAL268 4PrimeNet
PORTUGAL PORTUGAL PORTUGAL268 5Global One – Comunicações, S.A.
PORTUGAL PORTUGAL PORTUGAL268 6HLC, Telecomunicações & Multimédia, S.A.
PORTUGAL PORTUGAL PORTUGAL268 7Jazztel Portugal – Serviços de Telecomunicações, S.A.
PUERTO RICO PUERTO RICO PUERTO RICO330 2ATM Broadband Network
PUERTO RICO PUERTO RICO PUERTO RICO330 3TDNet Puerto Rico
QATAR QATAR QATAR427 1DOHPAK
ROUMANIE ROMANIA RUMANIA226 0ROMPAC
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 0Rospac-RT
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 1SPRINT Networks
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 2IASNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 3MMTEL
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 4INFOTEL
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 6ROSNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 7ISTOK-K
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 8TRANSINFORM
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA250 9LENFINCOM
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 0SOVAMNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 1EDITRANS
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 2TECOS
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 3PTTNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 4BCLNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 5SPTNET
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 6AS Sirena-3 Data Communication System
FÉDÉRATION DE RUSSIE RUSSIAN FEDERATION FEDERACIÓN DE RUSIA251 7TELSYCOM
SAINT-MARIN SAN MARINO SAN MARINO292 2X-Net SMR
ARABIE SAOUDITE SAUDI ARABIA ARABIA SAUDITA420 1ALWASEET – Public Packet Switched Data Network
SÉNÉGAL SENEGAL SENEGAL608 1SENPAC
SERBIE SERBIA SERBIA220 1YUPAC (Yugoslav Packet Switched Public Data Network)
SEYCHELLES SEYCHELLES SEYCHELLES633 1Infolink
SINGAPOUR SINGAPORE SINGAPUR525 0International telephone prefix
SINGAPOUR SINGAPORE SINGAPUR525 1Inmarsat service
SINGAPOUR SINGAPORE SINGAPUR525 2TELEPAC (Public Packet Switching Data Network)
SINGAPOUR SINGAPORE SINGAPUR525 3High speed data/long packet service
SINGAPOUR SINGAPORE SINGAPUR525 4Public Data Network
SINGAPOUR SINGAPORE SINGAPUR525 5Public Data Network
SINGAPOUR SINGAPORE SINGAPUR525 8Telex
SINGAPOUR SINGAPORE SINGAPUR525 7ISDN packet switching service
SINGAPOUR SINGAPORE SINGAPUR525 9PSTN access (dial-in/out)
SLOVAQUIE SLOVAKIA ESLOVAQUIA231 1EuroTel
SLOVÉNIE SLOVENIA ESLOVENIA293 1SIPAX.25
SALOMON (ILES) SOLOMON ISLANDS SALOMÓN (ISLAS)540 0DATANET
SUDAFRICAINE (RÉP.) SOUTH AFRICA SUDAFRICANA (REP.)655 0Saponet – P
ESPAGNE SPAIN ESPAÑA214 0Administración Pública
ESPAGNE SPAIN ESPAÑA214 1Nodo internacional de datos
ESPAGNE SPAIN ESPAÑA214 2RETEVISIÓN
ESPAGNE SPAIN ESPAÑA214 5Red IBERPAC
ESPAGNE SPAIN ESPAÑA214 7France Telecom Redes y Servicios
ESPAGNE SPAIN ESPAÑA214 9MegaRed
SRI LANKA SRI LANKA SRI LANKA413 2Lanka Communication Services (Pvt) Limited
SRI LANKA SRI LANKA SRI LANKA413 3Electroteks (Pvt) Limited
SRI LANKA SRI LANKA SRI LANKA413 62MTT Network (Pvt) Limited
SRI LANKA SRI LANKA SRI LANKA413 63DPMC Electronics (Pvt) Limited
SUÈDE SWEDEN SUECIA240 2WM-data Infrastructur
SUÈDE SWEDEN SUECIA240 3Datapak (Packet Switched Public Data Network) – TeliaSonera AB
SUÈDE SWEDEN SUECIA240 6Flex25 (Public Packet Switched Data Network)
SUÈDE SWEDEN SUECIA240 7Private X.25 Networks (DNIC allocated for a group of private networks) –    TeliaSonera AB
SUISSE SWITZERLAND SUIZA228 0ISDNPac
SUISSE SWITZERLAND SUIZA228 2Transpac-CH
SUISSE SWITZERLAND SUIZA228 3Bebbicel
SUISSE SWITZERLAND SUIZA228 4Telepac
SUISSE SWITZERLAND SUIZA228 5Telepac (accès de réseaux privés)
SUISSE SWITZERLAND SUIZA228 6DataRail
SUISSE SWITZERLAND SUIZA228 7Spack
THAÏLANDE THAILAND TAILANDIA520 2THAIPAK 2 – Value Added Public Packet Switched Data Network
THAÏLANDE THAILAND TAILANDIA520 3CAT Store and Forward Fax Network
THAÏLANDE THAILAND TAILANDIA520 9TOT ISDN
L'EX-RÉP. YOUGOSLAVE DE MACÉDOINE THE FORMER YUGOSLAV REP. OF MACEDONIA LA EX REP. YUGOSLAVA DE MACEDONIA294 0MAKPAK
TONGA TONGA TONGA539 0TONGAPAK
TRINITÉ-ET-TOBAGO TRINIDAD AND TOBAGO TRINIDAD Y TABAGO374 0TEXDAT
TRINITÉ-ET-TOBAGO TRINIDAD AND TOBAGO TRINIDAD Y TABAGO374 5DATANETT
TURQUIE TURKEY TURQUÍA286 0TELETEX
TURQUIE TURKEY TURQUÍA286 1DATEX-L
TURQUIE TURKEY TURQUÍA286 3Turkish Packet Switched Data Network (TURPAK)
TURQUIE TURKEY TURQUÍA286 4TURPAK
TURKS ET CAICOS (ILES) TURKS AND CAICOS ISLANDS TURQUESAS Y CAICOS (ISLAS)376 3Cable and Wireless Packet Switched Node
TURKS ET CAICOS (ILES) TURKS AND CAICOS ISLANDS TURQUESAS Y CAICOS (ISLAS)376 4IslandCom
UKRAINE UKRAINE UCRANIA255 0UkrPack
UKRAINE UKRAINE UCRANIA255 1bkcNET
UKRAINE UKRAINE UCRANIA255 5GTNET
UKRAINE UKRAINE UCRANIA255 6UkrPack
ÉMIRATS ARABES UNIS UNITED ARAB EMIRATES EMIRATOS ÁRABES UNIDOS424 1EMDAN Teletex Network
ÉMIRATS ARABES UNIS UNITED ARAB EMIRATES EMIRATOS ÁRABES UNIDOS424 3EMDAN X.25 and X.28 Terminals
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 0BT
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 1International Packet Switching Service (IPSS)
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 2Packet Switched Service (PSS)
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 3BT Concert Packet Network
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 4BT Concert Packet Network
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 7BT
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 8BT
ROYAUME-UNI UNITED KINGDOM REINO UNIDO234 9Barclays Technology Services
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 0C&W X.25 Service, International Packet Gatewayuse internally, see OB 879
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 1C & W X.25 Serviceuse internally, see OB 879
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 2Kingston Communications (Hull) PLC.
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 3Vodaphone, Packet Network Service
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 4Nomura Computer Systems Europe Ltd. (NCC-E)
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 5JAIS Europe Ltd.
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 7FEDEX UK
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 8Reuters
ROYAUME-UNI UNITED KINGDOM REINO UNIDO235 9BT
ROYAUME-UNI UNITED KINGDOM REINO UNIDO236 0AT&T ISTEL
ROYAUME-UNI UNITED KINGDOM REINO UNIDO237 0GlobalOne (France Telecom)
ROYAUME-UNI UNITED KINGDOM REINO UNIDO237 8Racal Telecom
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 1PTN-1 Western Union Packet Switching Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 2MCI Public Data Network (ResponseNet)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 3ITT UDTS Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 4MCI Public Data Network (International Gateway)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 5WUI Leased Channel Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 6Tymnet Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 7ITT Datel Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 8ITT Short Term Voice/Data Transmission Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS310 9RCAG DATEL II
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 0Telenet Communications Corporation
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 1RCAG DATEL I (Switched Alternate Voice-Data Service)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 2Western Union Teletex Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 3RCAG Remote Global Computer Access Service (Low Speed)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 4Western Union Infomaster
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 5Graphnet Interactive Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 6Graphnet Store and Forward Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 7WUI Telex Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 8Graphnet Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS311 9TRT Packet Switching Network (IPSS)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 0ITT Low Speed Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 1FTCC Circuit Switched Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 2FTCC Telex
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 3FTCC Domestic Packet Switched Transmission (PST) Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 4FTCC International PST Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 5UNINET
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 6ADP Autonet
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 7GTE Telenet Communications Corporation
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 8TRT Mail/Telex Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS312 9TRT Circuit Switch Data (ICSS)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 0TRT Digital Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 1RCAG Telex Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 2Compuserve Network Services
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 3RCAG XNET Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 4AT+T/ACCUNET Packet Switched Capability
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 5ALASCOM/ALASKANET Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 6Geisco Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 7International Information Network Services – INFONET Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 8Fedex International Transmission Corporation – International Document    Transmission Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS313 9KDD America, Inc. – Public Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 0Southern New England Telephone Company – Public Packet Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 1Bell Atlantic Telephone Companies – Advance Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 2Bellsouth Corporation – Pulselink Servie
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 3Ameritech Operating Companies – Public Packet Data Networks
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 4Nynex Telephone Companies – Nyex Infopath Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 5Pacific Telesis Public Packet Switching Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 6Southwestern Bell Telephone Co. – Microlink II Public Packet Switching Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 7U.S. West, Inc. – Public Packet Switching Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 8United States Telephone Association – to be shared by local exchange telephone    companies
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS314 9Cable & Wireless Communications, Inc. – Public Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 0Globenet, Inc. – Globenet Network Packet Switching Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 1Cable & Wireless Communications, Inc. – Public Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 2GTE Hawaiian Telephone Company, Inc. – Public Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 3JAIS USA-NET Public Packet Switching Service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 4Nomura Computer Systems America, Inc. – NCC-A VAN public packet switching    service
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 5Aeronautical Radio, Inc. – GLOBALINK
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 6American Airlines, Inc. – AANET
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 7COMSAT Mobile Communications – C-LINK
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 8Schlumberger Information Network (SINET)
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS315 9Westinghouse Communications – Westinghouse Packet Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 0Network Users Group, Ltd. – WDI NET packet
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 1United States Department of State, Diplomatic Telecommunications Service, Black Packet Switched Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 2Transaction Network Services, Inc. – TNS Public Packet-switched Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 6U.S. Department of Treasury Wide Area Data Network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 8BT North America packet-switched data network
ÉTATS-UNIS UNITED STATES ESTADOS UNIDOS316 9Tenzing Communications Inc. – Inflight Network
URUGUAY URUGUAY URUGUAY748 2URUPAC – Servicio público de transmisión de datos con conmutación de    paquetes
URUGUAY URUGUAY URUGUAY748 8URUPAC – Interfuncionamiento con la red télex
URUGUAY URUGUAY URUGUAY748 9URUPAC – Interfuncionamiento con la red telefónica
OUZBÉKISTAN UZBEKISTAN UZBEKISTÁN434 1UzPAK
VANUATU VANUATU VANUATU541 0VIAPAC (Vanuatu International Access for Packets)
VATICAN VATICAN VATICANO225 0Packet Switching Data Network (PSDN) of Vatican City State
ZAMBIE ZAMBIA ZAMBIA645 1ZAMPAK
ZIMBABWE ZIMBABWE ZIMBABWE648 4ZIMNET
1213
RÉP. TCHÈQUE CZECH REP. REP. CHECA230 30RÉP. TCHÈQUE CZECH REP. REP. CHECAG-NET
SUÈDE SWEDEN SUECIA240 2SUÈDE SWEDEN SUECIAWM-data Infrastructur
BELGIQUE BELGIUM BÉLGICA206 6BELGIQUE BELGIUM BÉLGICAUnisource Belgium X.25 Service
ETATS-UNIS UNITED STATES ESTADOS UNIDOS316 3ETATS-UNIS UNITED STATES ESTADOS UNIDOSKonnect, LLC – International data network
SUISSE SWITZERLAND SUIZA228 3SUISSE SWITZERLAND SUIZABebbicell AG
UKRAINE UKRAINE UCRANIA255 1UKRAINE UKRAINE UCRANIAbkcNET (RADIOCONNECT Ltd)
SÉNÉGAL608 1SÉNÉGALSENPAC/Orange (Sonatel)
SENEGAL SENEGAL 
    
BELGIQUE206 1BELGIQUEProximus
BELGIUM206 2BELGIUMProximus - Réseau de transmission de données à commutation par paquets (DCS)
BÉLGICA206 4BÉLGICAProximus - CODENET
JAPON440 1JAPONDDX-P (NTT Communications Corporation)
JAPAN440 2JAPANNEC-NET (NEC Corporation)
JAPÓN440 5JAPÓNNCC-VAN (Nomura Research Institute, Ltd.)
HONGRIE HUNGARY HUNGRÍA 1)use internally, see OB 965216 1HONGRIE HUNGARY HUNGRÍA 1)use internally, see OB 965Packet Switched Data Service 1)
ÉTATS-UNIS310 0ÉTATS-UNISEMARCONI
UNITED STATES UNITED STATES 
ESTADOS UNIDOS ESTADOS UNIDOS 
ESPAGNE214 1ESPAGNETelefónica de España, S.A.U. (formerly Nodo internacional de datos)
SPAIN SPAIN 
ESPAÑA ESPAÑA 

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