Whois: British Telecommunications PLC
| Hosting Company: | British Telecommunications PLC  |
| Hosting ASN: | AS2856 |
| Hosting Address: | British Telecommunications,81 Newgate Street,London GB, |
| Hosting Country: |  United Kingdom, London |
| Associated ASNums | AS5400, AS6871 |
British Telecommunications PLC ip ranges
| # | Range | CDIR | Ip count | Name | Location |
|---|---|---|---|---|---|
| 1 | 5.80.0.0 - 5.80.127.255 | 5.80.0.0/15 | 33,768 | BT-Central-Plus | United Kingdom |
| 2 | 5.80.128.0 - 5.80.255.255 | 5.80.0.0/15 | 33,768 | BT-Central-Plus | United Kingdom |
| 3 | 5.81.0.0 - 5.81.127.255 | 5.81.0.0/16 | 33,768 | BT-Central-Plus | United Kingdom |
| 4 | 5.81.128.0 - 5.81.255.255 | 5.81.0.0/16 | 33,768 | BT-Central-Plus | United Kingdom |
| 5 | 31.48.0.0 - 31.49.255.255 | 31.48.0.0/13 | 131,072 | BT-Central-Plus | United Kingdom |
| 6 | 31.50.0.0 - 31.50.255.255 | 31.48.0.0/13 | 66,536 | BT-Central-Plus | United Kingdom |
| 7 | 31.51.0.0 - 31.51.255.255 | 31.48.0.0/13 | 66,536 | BT-Central-Plus | United Kingdom |
| 8 | 31.52.0.0 - 31.53.255.255 | 31.48.0.0/13 | 131,072 | BT-Central-Plus | United Kingdom |
| 9 | 31.54.0.0 - 31.54.255.255 | 31.48.0.0/13 | 66,536 | BT-Central-Plus | United Kingdom |
| 10 | 31.55.144.0 - 31.55.151.255 | 31.48.0.0/13 | 2,048 | BT-PUBIP-INT | United Kingdom |
| 11 | 31.64.0.0 - 31.127.255.255 | 31.94.0.0/16 | 4,194,304 | UK-TM-20101125 | United Kingdom |
| 12 | 31.120.0.0 - 31.120.255.255 | 31.120.0.0/16 | 66,536 | BTNET-3 | United Kingdom |
| 13 | 51.14.0.0 - 51.14.255.255 | 51.14.0.0/16 | 66,536 | BT-CENTRAL-PLUS | United Kingdom |
| 14 | 62.6.246.176 - 62.6.246.183 | 62.6.0.0/16 | 8 | BTNET-CUSTOMER | United Kingdom |
| 15 | 62.7.95.152 - 62.7.95.159 | 62.7.0.0/16 | 8 | BTNET-CUSTOMER | United Kingdom |
| 16 | 62.7.176.0 - 62.7.183.255 | 62.7.0.0/16 | 2,048 | BT-CENTRAL-PLUS | United Kingdom |
| 17 | 81.128.0.0 - 81.143.255.255 | 81.128.0.0/12 | 1,049,576 | BT-INFRA | United Kingdom |
| 18 | 81.135.0.0 - 81.135.127.255 | 81.128.0.0/12 | 33,768 | BT-CENTRAL-PLUS | United Kingdom |
| 19 | 81.136.224.0 - 81.136.247.255 | 81.128.0.0/12 | 6,144 | BT-ADSL | United Kingdom |
| 20 | 81.144.0.0 - 81.159.255.255 | 81.128.0.0/11 | 1,049,576 | BT-INFRA | United Kingdom |
British Telecommunications PLC domains (0 total)
| # | Name | IP | Rank | Updated |
|---|---|---|---|---|
| No results |
British Telecommunications PLC users
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 86.150.177.105 |  Windows 10 |
 Chrome 116.0 |
Last seen: 31.05.2026 |
| 2 | 86.130.83.148 |  Mac OS X |
Chrome 123.0 |
Last seen: 31.05.2026 |
| 3 | 31.48.129.131 | Mac OS X |
Chrome 120.0 |
Last seen: 31.05.2026 |
| 4 | 86.187.235.254 | Mac OS X |
Chrome 120.0 |
Last seen: 31.05.2026 |
| 5 | 86.181.173.175 | Mac OS X |
Chrome 136.0 |
Last seen: 31.05.2026 |
| 6 | 86.172.107.37 | Windows 10 |
Chrome 100.0 |
Last seen: 31.05.2026 |
| 7 | 2a00:23c7:ae9f:4e01:6c5c:3f:cb20:31a7 | Windows 10 |
Chrome 107.0 |
Last seen: 31.05.2026 |
| 8 | 81.141.112.197 | Windows 10 |
Chrome 104.0 |
Last seen: 31.05.2026 |
| 9 | 2a00:23c5:5410:c101:3176:89ef:dac4:20c1 | Windows 10 |
Chrome 116.0 |
Last seen: 31.05.2026 |
| 10 | 217.33.45.66 | Windows 10 |
Chrome 99.0 |
Last seen: 31.05.2026 |
| 11 | 2a00:23c6:9b10:3301:76ec:b2ff:fe72:42c7 | Windows 10 |
Chrome 110.0 |
Last seen: 31.05.2026 |
| 12 | 109.148.146.93 | Mac OS X |
Chrome 119.0 |
Last seen: 31.05.2026 |
| 13 | 86.157.143.39 | Windows 10 |
Chrome 101.0 |
Last seen: 31.05.2026 |
| 14 | 109.155.197.213 | Windows 10 |
Chrome 104.0 |
Last seen: 31.05.2026 |
| 15 | 2a00:23c8:b130:7f01:b533:5f3b:1efc:c287 | Mac OS X |
Chrome 136.0 |
Last seen: 31.05.2026 |
| 16 | 86.148.52.228 | Windows 10 |
Chrome 107.0 |
Last seen: 31.05.2026 |
| 17 | 2a00:23c4:fb80:4401:3dec:ccac:b097:c101 | Mac OS X |
Chrome 131.0 |
Last seen: 31.05.2026 |
| 18 | 86.139.215.26 | Mac OS X |
Chrome 120.0 |
Last seen: 31.05.2026 |
| 19 | 109.157.81.212 | Windows 10 |
Chrome 104.0 |
Last seen: 31.05.2026 |
| 20 | 86.180.84.121 | Mac OS X |
Chrome 123.0 |
Last seen: 31.05.2026 |
