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General Information
Name:
British Telecommunications PLC
Domain:
bt.net
Country:
GB
Type:
isp
Registry:
RIPE_NCC
Prefix Counts
IPv4 Count:
687,872
IPv6 Count:
236,446,547,503,507,632,505,732,726,784
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 61.14.0.0/18 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE | 16,384 |
| 61.14.1.0/24 | AU | MWGroup | M+w Group | APNIC | ASSIGNED NON-PORTABLE | 256 |
| 61.14.2.0/23 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE | 512 |
| 61.14.4.0/22 | HK | BT-GIA-HK | BT GIA | APNIC | ASSIGNED NON-PORTABLE | 1,024 |
| 61.14.7.0/24 | HK | SIMMONSANDSIMMONS | SIMMONS & SIMMONS | APNIC | ASSIGNED NON-PORTABLE | 256 |
| 61.14.8.0/22 | JP | BT-GIA-JP-net1 | BT GIA | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.11.0/24 | JP | IFF | IFF | APNIC | ASSIGNED NON-PORTABLE | 256 |
| 61.14.12.0/22 | AU | BT-GIA-AU | BT GIA | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.15.0/24 | AU | BT-GIA-AU-net4 | BT GIA | APNIC | ASSIGNED NON-PORTABLE | 256 |
| 61.14.20.0/22 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE | 1,024 |
| 61.14.24.0/22 | HK | BT-HK-5 | BT HK | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.28.0/22 | SG | BT-Cloud | BT Cloud Sgp - Net1 | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.31.0/24 | SG | BT-GIA-SG-net4 | BT GIA | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 61.14.32.0/22 | SG | BWMaritime | Bw Maritime Pte LTD | APNIC | ASSIGNED NON-PORTABLE | 1,024 |
| 61.14.34.0/24 | SG | BT-GIA-SG-net7 | BT GIA | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 61.14.36.0/24 | JP | BT-GIA-JP-net5 | BT-GIA-JP-net | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 61.14.36.0/22 | JP | BT-GIA-JP-net5 | BT-GIA-JP-net | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.39.0/24 | JP | BT-GIA-JP-net5 | BT-GIA-JP-net | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 61.14.40.0/22 | ZA | BT-ZA | BT ZA | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.44.0/22 | ZA | KANTAR | The Kantar Group LTD | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.48.0/22 | ZA | Independent-Newspapers-Limited | Independent Newspapers Limited | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 61.14.52.0/24 | HK | BT-GIA | BT Gia | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 63.250.128.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.128.0/18 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 63.250.131.0/24 | US | SCHINDLERHOLDING | SCHINDLER HOLDING | ARIN | reassignment | 256 |
| 63.250.132.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.132.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.135.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.136.0/22 | US | SCHENKERBT-200 | Schenker BT | ARIN | reassignment | 1,024 |
| 63.250.140.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.144.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.144.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.147.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.148.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.151.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.152.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.155.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.156.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.159.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.160.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.163.0/24 | CA | SPECSAVERS-OPTICAL-GROUP-LIMITED | SPECSAVERS OPTICAL GROUP LIMITED | ARIN | reassignment | 256 |
| 63.250.164.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.168.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.171.0/24 | US | BASFSE | BASF SE | ARIN | reassignment | 256 |
| 63.250.172.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.173.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.174.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.176.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.180.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.184.0/22 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 63.250.187.0/24 | US | EDENRED-1 | EDENRED | ARIN | reassignment | 256 |
| 63.250.189.0/24 | US | BT-IP-ICG-GIIB-BLK1 | Infonet Services Corporation | ARIN | allocation | 256 |
| 63.250.191.0/24 | US | DPDHLETO | DP DHL ETO | ARIN | reassignment | 256 |
| 72.29.128.0/20 | US | AUDIOCODESLTD-202 | Audiocodes LTD | ARIN | reassignment | 4,096 |
| 72.29.132.0/22 | US | BT-IP-ICG-GIIB-BLK2 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 136.238.168.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.185.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.187.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.229.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.232.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.238.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.239.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.240.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.241.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 136.238.243.0/24 | CH | SCHINDLER | Schindler Informatik AG | ARIN | reassignment | 256 |
| 168.252.115.0/24 | AU | ORICA-AU | Orica Australia Pty LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 168.252.120.0/24 | AU | ORICA-AU | Orica Australia Pty LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 168.252.123.0/24 | AU | ORICA-AU | Orica Australia Pty LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 185.249.5.0/24 | US | SanFrancisco-Lumileds | SanFrancisco-Lumileds | RIPE_NCC | ASSIGNED PA | 256 |
| 185.249.6.0/24 | SG | Singapore-Lumileds | Singapore-Lumileds | RIPE_NCC | ASSIGNED PA | 256 |
| 192.92.18.0/24 | US | BT-CUSTOMER | BT CUSTOMER | ARIN | reassignment | 256 |
| 192.92.19.0/24 | SG | BT-CUSTOMER | BT CUSTOMER | ARIN | reassignment | 256 |
| 192.92.20.0/22 | US | BT-IP-ICG-GIIB-BLK5 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 192.92.24.0/21 | US | BT-IP-ICG-GIIB-BLK5 | Infonet Services Corporation | ARIN | allocation | 2,048 |
| 192.92.32.0/19 | US | BT-IP-ICG-GIIB-BLK5 | Infonet Services Corporation | ARIN | allocation | 8,192 |
| 192.92.64.0/20 | US | BLUE-TRITON-BRANDS | Infonet Services Corporation | ARIN | reallocation | 4,096 |
| 192.92.64.0/24 | US | BLUE-TRITON-BRANDS | Infonet Services Corporation | ARIN | reallocation | 256 |
| 192.92.80.0/23 | US | BT-IP-ICG-GIIB-BLK5 | Infonet Services Corporation | ARIN | allocation | 512 |
| 192.92.82.0/24 | US | BT-IP-ICG-GIIB-BLK5 | Infonet Services Corporation | ARIN | allocation | 256 |
| 192.157.130.0/23 | US | BT-IP-ICG-GIIB-BLK6 | Infonet Services Corporation | ARIN | allocation | 512 |
| 192.157.132.0/22 | US | POSTIPAN13 | POSTIPAN | ARIN | reassignment | 1,024 |
| 192.157.136.0/21 | US | EMI1 | EMI | ARIN | reassignment | 2,048 |
| 192.157.144.0/20 | CA | TEXAS-INSTRUMENTS1 | TEXAS INSTRUMENTS | ARIN | reassignment | 4,096 |
| 192.157.160.0/23 | US | BT-IP-ICG-GIIB-BLK6 | Infonet Services Corporation | ARIN | allocation | 512 |
| 192.237.64.0/18 | US | BT-IP-ICG-GIIB-BLK7 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 194.33.52.0/24 | GB | UK-TNSUK-19950629 | KANTAR DORMANT 3 LIMITED | RIPE_NCC | ALLOCATED PA | 256 |
| 195.184.128.0/19 | GB | BT-IPCG-BACKBONE | BT IPCG BACKBONE | RIPE_NCC | ASSIGNED PA | 8,192 |
| 195.206.64.0/19 | SA | BTGC | BT Global Communication | RIPE_NCC | ASSIGNED PA | 8,192 |
| 195.206.69.0/24 | NL | UK-BTGIA-970228 | British Telecommunications PLC | RIPE_NCC | ALLOCATED PA | 256 |
| 195.206.70.0/24 | NL | UK-BTGIA-970228 | British Telecommunications PLC | RIPE_NCC | ALLOCATED PA | 256 |
| 198.137.64.0/18 | NL | PROGRESS5 | PROGRESS | ARIN | reassignment | 16,384 |
| 198.137.75.0/24 | US | BT-IP-ICG-GIIB-BLK8 | Infonet Services Corporation | ARIN | allocation | 256 |
| 198.178.237.0/24 | US | NETBLK-KANTAR | KANTAR | ARIN | allocation | 256 |
| 198.178.239.0/24 | US | NETBLK-KANTAR | KANTAR | ARIN | allocation | 256 |
| 198.180.64.0/18 | US | BT-IP-ICG-GIIB-BLK3 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 198.207.64.0/18 | US | BT-IP-ICG-GIIB-BLK9 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 198.207.64.0/22 | US | BT-IP-ICG-GIIB-BLK9 | Infonet Services Corporation | ARIN | allocation | 1,024 |
| 199.6.64.0/18 | GB | INGERSOL | INGERSOL | ARIN | reassignment | 16,384 |
| 203.187.128.0/22 | SG | BT-GIA-SGP-9 | BT-GIA | APNIC | ALLOCATED NON-PORTABLE | 1,024 |
| 203.187.128.0/19 | SG | BT-GIA-SGP-9 | BT-GIA | APNIC | ALLOCATED NON-PORTABLE | 8,192 |
| 203.187.145.0/24 | HK | BT-GIA-SNG | BT GIA SNG | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 203.187.146.0/24 | AU | BT-GIA-SNG | BT GIA SNG | APNIC | ALLOCATED NON-PORTABLE | 256 |
| 204.52.187.0/24 | US | NETBLK-KANTAR | KANTAR | ARIN | allocation | 256 |
| 204.79.0.0/17 | CA | CANADAIR | Canadair | ARIN | reassignment | 32,768 |
| 204.79.84.0/24 | US | BT-IP-ICG-GIIB-BLK11 | Infonet Services Corporation | ARIN | allocation | 256 |
| 204.79.90.0/24 | GB | FWRM921EU | InfonetFW | ARIN | reassignment | 256 |
| 204.140.64.0/18 | US | NALCO | Nalco Company | ARIN | reassignment | 16,384 |
| 204.231.0.0/17 | US | ELEPHANT-TALK1 | ELEPHANT TALK | ARIN | reassignment | 32,768 |
| 204.231.128.0/18 | US | BT-IP-ICG-GIIB-BLK13 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 205.143.144.0/21 | US | BT-CUSTOMERS | BT Management Services | ARIN | allocation | 2,048 |
| 205.248.0.0/16 | SG | RESERVED-FOR-KYMMENE1 | RESERVED FOR KYMMENE | ARIN | reassignment | 65,536 |
| 206.182.0.0/16 | GB | CHUBB-38 | CHUBB | ARIN | reassignment | 65,536 |
| 206.182.128.0/18 | US | SASOL5 | SASOL | ARIN | reassignment | 16,384 |
| 206.182.134.0/24 | US | BT-IP-ICG-GIIB-BLK15 | Infonet Services Corporation | ARIN | allocation | 256 |
| 206.182.164.0/24 | US | BT-IP-ICG-GIIB-BLK15 | Infonet Services Corporation | ARIN | allocation | 256 |
| 206.182.192.0/18 | US | BT-IP-ICG-GIIB-BLK15 | Infonet Services Corporation | ARIN | allocation | 16,384 |
| 207.117.0.0/16 | JP | HOGANAS5 | HOGANAS | ARIN | reassignment | 65,536 |
| 207.209.0.0/19 | GB | VIRGIN12 | VIRGIN ENTERTAINMENT | ARIN | reassignment | 8,192 |
| 207.209.0.0/16 | GB | VIRGIN12 | VIRGIN ENTERTAINMENT | ARIN | reassignment | 65,536 |
| 207.209.64.0/19 | IE | PHARMACIA43 | PHARMACIA | ARIN | reassignment | 8,192 |
| 209.28.0.0/16 | US | BT-CNF-1 | Infonet Services Corporation | ARIN | allocation | 65,536 |
| 209.28.174.0/24 | US | INTERNALFW-200 | Internal-FW | ARIN | reassignment | 256 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2402:fb00::/32 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00::/36 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:f00::/40 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:1000::/36 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:1f00::/40 | SG | LUMILEDS | Lumileds | APNIC | ASSIGNED NON-PORTABLE |
| 2402:fb00:2000::/36 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:2f00::/40 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:3000::/36 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:3f00::/40 | US | INFONET-AP | Infonet Services Corporation | APNIC | ALLOCATED PORTABLE |
| 2606:f100::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100::/32 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:1000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:1f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:2000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:2f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:3000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:3f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:4000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:4f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:5000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:5f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:6000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:7000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:7f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:8000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:8f00::/40 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:9000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
| 2606:f100:c000::/36 | US | ARIN-BT-INTERNET-ACCESS | BT Management Services | ARIN | allocation |
Network Relationships
Peers:
AS917, AS1403, AS1828, AS2497, AS2518, AS3303, AS3741, AS4230, AS4608, AS6057, AS6424, AS6830, AS6939, AS7029, AS8220, AS8359, AS8966, AS9002, AS9304, AS11845, AS12200, AS14907, AS17639, AS18106, AS19151, AS22548, AS22652, AS23106, AS24482, AS28624, AS28634, AS33891, AS34224, AS35280, AS36236, AS37100, AS37468, AS37697, AS37721, AS39120, AS40934, AS41047, AS45352, AS49544, AS51185, AS52320, AS52873, AS55720, AS57304, AS58057, AS58453, AS58511, AS60503, AS61568, AS63956, AS132825, AS140627, AS199524, AS263152, AS263237, AS264479, AS267613, AS271253, AS328320
