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 | 62.7.95.152 - 62.7.95.159 | 62.7.0.0/16 | 8 | BTNET-CUSTOMER | United Kingdom |
| 15 | 62.7.176.0 - 62.7.183.255 | 62.7.0.0/16 | 2,048 | BT-CENTRAL-PLUS | United Kingdom |
| 16 | 81.128.0.0 - 81.143.255.255 | 81.128.0.0/12 | 1,049,576 | BT-INFRA | United Kingdom |
| 17 | 81.135.0.0 - 81.135.127.255 | 81.128.0.0/12 | 33,768 | BT-CENTRAL-PLUS | United Kingdom |
| 18 | 81.136.224.0 - 81.136.247.255 | 81.128.0.0/12 | 6,144 | BT-ADSL | United Kingdom |
| 19 | 81.144.0.0 - 81.159.255.255 | 81.128.0.0/11 | 1,049,576 | BT-INFRA | United Kingdom |
| 20 | 81.144.155.24 - 81.144.155.31 | 81.128.0.0/11 | 8 | BTNET-CUSTOMER | United Kingdom |
British Telecommunications PLC domains (0 total)
| # | Name | IP | Rank | Updated |
|---|---|---|---|---|
| No results |
British Telecommunications PLC users
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 81.155.237.86 |  Windows 10 |
 Chrome 127.0 |
Last seen: 11.05.2026 |
| 2 | 86.159.0.236 |  Mac OS X |
Chrome 134.0 |
Last seen: 11.05.2026 |
| 3 | 109.146.146.1 | Mac OS X |
Chrome 130.0 |
Last seen: 11.05.2026 |
| 4 | 31.53.225.33 | Mac OS X |
Chrome 130.0 |
Last seen: 11.05.2026 |
| 5 | 86.131.238.165 | Mac OS X |
Chrome 125.0 |
Last seen: 11.05.2026 |
| 6 | 86.158.176.67 | Mac OS X |
Chrome 125.0 |
Last seen: 11.05.2026 |
| 7 | 147.148.191.187 | Windows 10 |
Chrome 129.0 |
Last seen: 11.05.2026 |
| 8 | 86.143.159.19 | Mac OS X |
 Firefox 131.0 |
Last seen: 11.05.2026 |
| 9 | 86.177.166.156 | Mac OS X |
Firefox 136.0 |
Last seen: 11.05.2026 |
| 10 | 95.148.144.37 | Mac OS X |
Chrome 133.0 |
Last seen: 11.05.2026 |
| 11 | 86.182.125.225 | Mac OS X |
Chrome 132.0 |
Last seen: 11.05.2026 |
| 12 | 31.54.2.105 | Mac OS X |
Chrome 125.0 |
Last seen: 11.05.2026 |
| 13 | 86.165.85.163 | Mac OS X |
Chrome 133.0 |
Last seen: 11.05.2026 |
| 14 | 81.147.1.78 | Mac OS X |
Chrome 124.0 |
Last seen: 11.05.2026 |
| 15 | 109.181.249.194 | Mac OS X |
Chrome 132.0 |
Last seen: 11.05.2026 |
| 16 | 81.135.234.255 | Mac OS X |
Chrome 128.0 |
Last seen: 11.05.2026 |
| 17 | 86.162.77.253 | Mac OS X |
Chrome 127.0 |
Last seen: 11.05.2026 |
| 18 | 86.153.241.149 | Mac OS X |
Firefox 132.0 |
Last seen: 11.05.2026 |
| 19 | 86.182.227.221 | Mac OS X |
Firefox 126.0 |
Last seen: 11.05.2026 |
| 20 | 81.154.135.105 | Mac OS X |
Firefox 132.0 |
Last seen: 11.05.2026 |
