AS5400 
BT
alias British Telecom · Actualizado 21.10.2026 21:15 UTC
Información del AS
- Organización
- British Telecommunications PLC
- Nombre del AS
- BT
- País
- Reino Unido
- Sitio web
- http://www.bt.net
- Looking Glass
- http://lg.bt.net/
- Registro (RIR)
- RIPE ORG-HMEG1-RIPE CIP-MNT
- Registrado
- 29.08.2002
- Visto por última vez en BGP
- 21.10.2026 21:05 UTC
RPKI
149 ROA
Válido 97
Inválido 0
Sin ROA 28
Ubicación de los prefijos
-
Reino Unido
68
-
Estados Unidos
23
-
Alemania
10
-
Países Bajos
6
-
India
5
-
Luxemburgo
4
-
Suiza
2
-
Suecia
2
-
Bélgica
1
-
Francia
1
-
Polonia
1
-
Finlandia
1
Enlaces externos
Vecinos vistos desde AS208972; las líneas más gruesas llevan más rutas.
UpstreamsPeeringAS5400Downstreams
| # | AS | Nombre | Relación | Rutas | Proporción |
|---|---|---|---|---|---|
| 1 | AS1299 | Arelion (Twelve99) | Upstream | 2 |
| # | AS | Nombre | Relación | Rutas | Proporción |
|---|---|---|---|---|---|
| 1 | AS2856 | BTnet (BT's UK IP Network - AS2856) | Downstream | 872 | |
| 2 | AS199541 | EUROCONTROL, the European Organisation for the Safety of Air Navigation | Downstream | 41 | |
| 3 | AS2110 |  Enet Communications | Downstream | 31 | |
| 4 | AS8968 |  BT Italia | Downstream | 27 | |
| 5 | AS13205 | British Telecommunications PLC | Downstream | 13 | |
| 6 | AS30614 | DELL | Downstream | 12 | |
| 7 | AS29063 | Atos Nederland B.V. | Downstream | 10 | |
| 8 | AS33873 | arvato systems | Downstream | 9 | |
| 9 | AS15442 | Procter & Gamble Service GmbH | Downstream | 9 | |
| 10 | AS51046 | Bringo Limited | Downstream | 8 | |
| 11 | AS21489 | The North Atlantic Treaty Organization | Downstream | 7 | |
| 12 | AS21000 | ATOS INFOGERANCE SAS | Downstream | 5 | |
| 13 | AS25049 | STASCO-UK-AS | Downstream | 4 | |
| 14 | AS7246 | Bristol-Myers Squibb Company | Downstream | 4 | |
| 15 | AS72 | Schlumberger Limited | Downstream | 4 | |
| 16 | AS212565 | Specsavers Optical Group Limited | Downstream | 3 | |
| 17 | AS40126 | Molson Coors Beverage Company | Downstream | 3 | |
| 18 | AS34460 | PHOENIX Pharmahandel GmbH & Co KG | Downstream | 3 | |
| 19 | AS34311 | LG CNS Europe B.V | Downstream | 3 | |
| 20 | AS22683 | Koninklijke Philips | Downstream | 3 | |
| 21 | AS15466 | Defensie Telematica Organisatie | Downstream | 3 | |
| 22 | AS203990 | Accertify, inc. | Downstream | 2 | |
| 23 | AS59724 | REED-ELSEVIER-EMEA-GCC | Downstream | 2 | |
| 24 | AS51466 | Bridgestone Europe NV | Downstream | 2 | |
| 25 | AS26380 | MasterCard Technologies LLC | Downstream | 2 | |
| 26 | AS12298 | QIAGEN GmbH | Downstream | 2 | |
| 27 | AS394805 | ReliaQuest, LLC | Downstream | 1 | |
| 28 | AS208053 | CLARINS SA | Downstream | 1 | |
| 29 | AS206625 | EHI-AME-AS | Downstream | 1 | |
| 30 | AS202666 | IFF_CPH | Downstream | 1 | |
| 31 | AS202097 |  IBERMUTUA | Downstream | 1 | |
| 32 | AS200361 |  CONCENTRIX SERVICES BULGARIA EOOD | Downstream | 1 | |
| 33 | AS55290 | Depository Trust & Clearing Corporation | Downstream | 1 | |
| 34 | AS51527 | Hyundai AutoEver Europe GmbH | Downstream | 1 | |
| 35 | AS48647 |  SOLVAY | Downstream | 1 | |
| 36 | AS43033 | Telio Communications GmbH | Downstream | 1 | |
| 37 | AS30864 | ELAVON FINANCIAL SERVICES LIMITED | Downstream | 1 | |
| 38 | AS27311 | Biogen MA Inc | Downstream | 1 | |
| 39 | AS21433 | Accenture | Downstream | 1 | |
| 40 | AS20868 | ABB Information Systems Ltd | Downstream | 1 | |
| 41 | AS20561 | Schaeffler Technologies AG & Co. KG | Downstream | 1 | |
| 42 | AS13130 | Volkswagen AG | Downstream | 1 | |
| 43 | AS12734 | Fiat Information Technology, Excellence and Methods S.p.A | Downstream | 1 | |
| 44 | AS12331 | UNSPECIFIED | Downstream | 1 | |
| 45 | AS12257 | EMC | Downstream | 1 | |
| 46 | AS10780 | Pure Storage, INC. | Downstream | 1 | |
| 47 | AS7734 |  Toronto Dominion Bank | Downstream | 1 | |
| 48 | AS5091 | STRIPE | Downstream | 1 |
| # | AS | Nombre | Relación | Rutas | Proporción |
|---|---|---|---|---|---|
| 1 | AS9121 |  Turk Telekom | Peering | 1.234 |
| # | AS | Nombre | Relación | Rutas | Proporción |
|---|---|---|---|---|---|
| 1 | AS9121 | Turk Telekom | Peering | 1.234 | |
| 2 | AS2856 | BTnet (BT's UK IP Network - AS2856) | Downstream | 872 | |
| 3 | AS199541 | EUROCONTROL, the European Organisation for the Safety of Air Navigation | Downstream | 41 | |
| 4 | AS2110 | Enet Communications | Downstream | 31 | |
| 5 | AS8968 | BT Italia | Downstream | 27 | |
| 6 | AS13205 | British Telecommunications PLC | Downstream | 13 | |
| 7 | AS30614 | DELL | Downstream | 12 | |
| 8 | AS29063 | Atos Nederland B.V. | Downstream | 10 | |
| 9 | AS33873 | arvato systems | Downstream | 9 | |
| 10 | AS15442 | Procter & Gamble Service GmbH | Downstream | 9 | |
| 11 | AS51046 | Bringo Limited | Downstream | 8 | |
| 12 | AS21489 | The North Atlantic Treaty Organization | Downstream | 7 | |
| 13 | AS21000 | ATOS INFOGERANCE SAS | Downstream | 5 | |
| 14 | AS25049 | STASCO-UK-AS | Downstream | 4 | |
| 15 | AS7246 | Bristol-Myers Squibb Company | Downstream | 4 | |
| 16 | AS72 | Schlumberger Limited | Downstream | 4 | |
| 17 | AS212565 | Specsavers Optical Group Limited | Downstream | 3 | |
| 18 | AS40126 | Molson Coors Beverage Company | Downstream | 3 | |
| 19 | AS34460 | PHOENIX Pharmahandel GmbH & Co KG | Downstream | 3 | |
| 20 | AS34311 | LG CNS Europe B.V | Downstream | 3 | |
| 21 | AS22683 | Koninklijke Philips | Downstream | 3 | |
| 22 | AS15466 | Defensie Telematica Organisatie | Downstream | 3 | |
| 23 | AS3573 | Accenture Solutions Pvt. Ltd | 3 | ||
| 24 | AS203990 | Accertify, inc. | Downstream | 2 | |
| 25 | AS59724 | REED-ELSEVIER-EMEA-GCC | Downstream | 2 | |
| 26 | AS51466 | Bridgestone Europe NV | Downstream | 2 | |
| 27 | AS26380 | MasterCard Technologies LLC | Downstream | 2 | |
| 28 | AS15499 | Computacenter Management GmbH trading as Computacenter AG & Co.oHG | 2 | ||
| 29 | AS12298 | QIAGEN GmbH | Downstream | 2 | |
| 30 | AS1299 | Arelion (Twelve99) | Upstream | 2 | |
| 31 | AS394805 | ReliaQuest, LLC | Downstream | 1 | |
| 32 | AS208053 | CLARINS SA | Downstream | 1 | |
| 33 | AS206625 | EHI-AME-AS | Downstream | 1 | |
| 34 | AS202666 | IFF_CPH | Downstream | 1 | |
| 35 | AS202097 | IBERMUTUA | Downstream | 1 | |
| 36 | AS200361 | CONCENTRIX SERVICES BULGARIA EOOD | Downstream | 1 | |
| 37 | AS55290 | Depository Trust & Clearing Corporation | Downstream | 1 | |
| 38 | AS51527 | Hyundai AutoEver Europe GmbH | Downstream | 1 | |
| 39 | AS48647 | SOLVAY | Downstream | 1 | |
| 40 | AS43033 | Telio Communications GmbH | Downstream | 1 | |
| 41 | AS30864 | ELAVON FINANCIAL SERVICES LIMITED | Downstream | 1 | |
| 42 | AS27311 | Biogen MA Inc | Downstream | 1 | |
| 43 | AS21433 | Accenture | Downstream | 1 | |
| 44 | AS20868 | ABB Information Systems Ltd | Downstream | 1 | |
| 45 | AS20561 | Schaeffler Technologies AG & Co. KG | Downstream | 1 | |
| 46 | AS13130 | Volkswagen AG | Downstream | 1 | |
| 47 | AS12734 | Fiat Information Technology, Excellence and Methods S.p.A | Downstream | 1 | |
| 48 | AS12331 | UNSPECIFIED | Downstream | 1 | |
| 49 | AS12257 | EMC | Downstream | 1 | |
| 50 | AS10780 | Pure Storage, INC. | Downstream | 1 | |
| 51 | AS7734 | Toronto Dominion Bank | Downstream | 1 | |
| 52 | AS5091 | STRIPE | Downstream | 1 |
| Prefijo | Descripción | Ubicación | RPKI | Rutas |
|---|---|---|---|---|
| 31.95.0.0/21 | | RPKI válido | 1 | |
| 31.95.14.0/23 | | RPKI válido | 1 | |
| 31.95.16.0/20 | | RPKI válido | 1 | |
| 31.95.48.0/21 | | RPKI válido | 1 | |
| 31.95.56.0/24 | | RPKI válido | 1 | |
| 31.95.64.0/21 | | RPKI válido | 1 | |
| 31.95.96.0/19 | | RPKI válido | 1 | |
| 31.95.160.0/20 | | RPKI válido | 1 | |
| 31.95.184.0/21 | | RPKI válido | 1 | |
| 31.95.208.0/21 | | RPKI válido | 1 | |
| 31.95.218.0/23 | | RPKI válido | 1 | |
| 31.95.220.0/22 | | RPKI válido | 1 | |
| 31.95.240.0/22 | | RPKI válido | 1 | |
| 31.95.246.0/23 | | RPKI válido | 1 | |
| 31.95.248.0/22 | | RPKI válido | 1 | |
| 31.95.254.0/23 | | RPKI válido | 1 | |
| 46.248.8.0/23 | NOS BE Public Subnet 1 | | Sin ROA | 1 |
| 46.248.10.0/23 | NOS BE Public Subnet 2 | | Sin ROA | 1 |
| 62.5.0.0/17 | | RPKI válido | 1 | |
| 62.102.0.0/17 | | RPKI válido | 1 | |
| 62.134.0.0/16 | Steinenbronn | RPKI válido | 1 | |
| 62.172.0.0/21 | PROVIDER | | RPKI válido | 1 |
| 62.173.192.0/18 | Kettering | RPKI válido | 1 | |
| 62.180.0.0/16 | Essen | RPKI válido | 1 | |
| 80.255.160.0/20 | | Sin ROA | 1 | |
| 80.255.160.0/24 | | Sin ROA | 1 | |
| 80.255.161.0/24 | BT Global Services Luxembourg | | Sin ROA | 1 |
| 80.255.162.0/24 | BT Global Services Luxembourg | | Sin ROA | 1 |
| 82.138.160.0/19 | | Sin ROA | 1 | |
| 82.150.0.0/19 | Nenagh | RPKI válido | 1 | |
| 132.244.64.0/21 | Derby, DE24 8BJ | | Sin ROA | 1 |
| 132.244.72.0/21 | Derby, DE24 8BJ | | Sin ROA | 1 |
| 132.244.240.0/24 | Derby, DE24 8BJ | | Sin ROA | 1 |
| 136.238.84.0/24 | | Sin ROA | 1 | |
| 136.238.85.0/24 | | Sin ROA | 1 | |
| 136.238.224.0/24 | | Sin ROA | 1 | |
| 166.49.128.0/17 | EC1A 7AJ | Zurich | RPKI válido | 1 |
| 185.94.0.0/22 | | RPKI válido | 1 | |
| 185.249.4.0/24 | | Sin ROA | 1 | |
| 192.109.52.0/24 | | RPKI válido | 1 | |
| 193.58.130.0/23 | | Sin ROA | 1 | |
| 194.33.53.0/24 | | Sin ROA | 1 | |
| 194.33.54.0/24 | | Sin ROA | 1 | |
| 194.33.55.0/24 | | Sin ROA | 1 | |
| 194.50.160.0/24 | Frankfurt am Main | Sin ROA | 1 | |
| 194.74.80.0/21 | PROVIDER | | RPKI válido | 1 |
| 194.76.40.0/24 | German affiliate of Infonet Network Services | | Sin ROA | 1 |
| 194.107.114.0/24 | | Sin ROA | 1 | |
| 194.213.64.0/19 | | RPKI válido | 1 | |
| 195.36.82.0/24 | | Sin ROA | 1 | |
| 195.36.104.0/24 | COMPUTACENTER FRANCE | | Sin ROA | 1 |
| 195.60.182.0/24 | Stockholm | Sin ROA | 1 | |
| 195.60.183.0/24 | Stockholm | Sin ROA | 1 | |
| 195.66.70.0/24 | | Sin ROA | 1 | |
| 195.90.64.0/19 | Warsaw | RPKI válido | 1 | |
| 195.99.64.0/20 | PROVIDER | | RPKI válido | 1 |
| 195.100.0.0/16 | Amsterdam | RPKI válido | 1 | |
| 195.163.0.0/16 | | RPKI válido | 1 | |
| 195.171.36.0/22 | PROVIDER | | RPKI válido | 1 |
| 195.182.96.0/19 | | RPKI válido | 1 | |
| 198.178.236.0/24 | | Sin ROA | 1 | |
| 203.158.68.0/23 | | RPKI válido | 1 | |
| 203.158.72.0/23 | | RPKI válido | 1 | |
| 203.158.76.0/23 | | RPKI válido | 1 | |
| 203.158.88.0/24 | | RPKI válido | 1 | |
| 203.158.89.0/24 | | RPKI válido | 1 | |
| 204.52.188.0/24 | | Sin ROA | 1 | |
| 206.73.0.0/16 | | RPKI válido | 1 | |
| 206.73.0.0/19 | | RPKI válido | 1 | |
| 206.73.48.0/20 | | RPKI válido | 1 | |
| 206.73.80.0/20 | | RPKI válido | 1 | |
| 206.73.112.0/22 | | RPKI válido | 1 | |
| 206.73.116.0/22 | | RPKI válido | 1 | |
| 206.73.156.0/22 | | RPKI válido | 1 | |
| 212.8.160.0/19 | | RPKI válido | 1 | |
| 212.21.192.0/19 | | RPKI válido | 1 | |
| 212.31.192.0/19 | | RPKI válido | 1 | |
| 212.41.128.0/19 | | RPKI válido | 1 | |
| 212.108.0.0/19 | Utrecht | RPKI válido | 1 | |
| 212.127.0.0/19 | Eastleigh | RPKI válido | 1 | |
| 212.162.192.0/18 | London | RPKI válido | 1 | |
| 213.15.0.0/16 | Meerbusch | RPKI válido | 1 | |
| 213.137.160.0/19 | Zurich | RPKI válido | 1 | |
| 213.194.0.0/18 | | RPKI válido | 1 | |
| 213.236.64.0/18 | Amsterdam | RPKI válido | 1 |
| Prefijo | Descripción | Retirados |
|---|---|---|
| 192.48.13.0/24 | 21.10.2026 12:21 | |
| 213.31.181.0/24 | PHOENIXITSER_0001_01007442 | 21.10.2026 12:21 |
| 213.9.232.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 213.9.195.0/24 | 21.10.2026 12:21 | |
| 213.9.188.0/24 | 21.10.2026 12:21 | |
| 213.9.177.0/24 | 21.10.2026 12:21 | |
| 213.9.173.0/24 | 21.10.2026 12:21 | |
| 213.9.160.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 213.9.148.0/24 | 21.10.2026 12:21 | |
| 213.9.138.0/24 | 21.10.2026 12:21 | |
| 212.163.215.0/24 | 21.10.2026 12:21 | |
| 212.163.206.0/24 | THALES INFORMATION SYSTEMS, S.A. | 21.10.2026 12:21 |
| 212.163.194.0/24 | 21.10.2026 12:21 | |
| 212.163.174.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 212.163.169.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 212.163.141.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 212.163.55.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 212.163.42.0/24 | 21.10.2026 12:21 | |
| 212.163.40.0/24 | 21.10.2026 12:21 | |
| 212.163.24.0/24 | 21.10.2026 12:21 | |
| 212.163.6.0/24 | 21.10.2026 12:21 | |
| 212.163.3.0/24 | 21.10.2026 12:21 | |
| 212.49.191.0/24 | 21.10.2026 12:21 | |
| 212.49.190.0/24 | 21.10.2026 12:21 | |
| 212.49.181.0/24 | 21.10.2026 12:21 | |
| 212.49.175.0/24 | 21.10.2026 12:21 | |
| 212.49.168.0/24 | 21.10.2026 12:21 | |
| 212.49.167.0/24 | 21.10.2026 12:21 | |
| 212.49.163.0/24 | 21.10.2026 12:21 | |
| 212.49.147.0/24 | 21.10.2026 12:21 | |
| 212.49.142.0/24 | 21.10.2026 12:21 | |
| 212.49.132.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 212.49.131.0/24 | BT Telecomunicaciones | 21.10.2026 12:21 |
| 193.141.192.0/19 | Renesas Electronics Europe GmbH, Duesseldorf (formerly known as NEC Electronics) | 21.10.2026 12:21 |
| 192.48.26.0/24 | 21.10.2026 12:21 | |
| 192.48.24.0/24 | 21.10.2026 12:21 | |
| 192.48.16.0/23 | 21.10.2026 12:21 | |
| 192.48.2.0/23 | 21.10.2026 12:21 | |
| 170.255.0.0/16 | 21.10.2026 12:21 | |
| 208.161.224.0/19 | 21.10.2026 12:21 | |
| 168.252.133.0/24 | Orica Australia Pty Ltd | 21.10.2026 12:21 |
| 168.252.132.0/24 | Orica Australia Pty Ltd | 21.10.2026 12:21 |
| 167.184.202.0/24 | 21.10.2026 12:21 | |
| 167.184.200.0/23 | 21.10.2026 12:21 | |
| 167.184.192.0/21 | 21.10.2026 12:21 | |
| 167.184.184.0/21 | 21.10.2026 12:21 | |
| 167.184.183.0/24 | 21.10.2026 12:21 | |
| 77.72.239.0/24 | 21.10.2026 12:21 |