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 ASNumsAS5400, 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 81.128.0.0 - 81.143.255.255 81.128.0.0/12 1,049,576 BT-INFRA United Kingdom
16 81.135.0.0 - 81.135.127.255 81.128.0.0/12 33,768 BT-CENTRAL-PLUS United Kingdom
17 81.136.224.0 - 81.136.247.255 81.128.0.0/12 6,144 BT-ADSL United Kingdom
18 81.144.155.24 - 81.144.155.31 81.128.0.0/11 8 BTNET-CUSTOMER United Kingdom
19 81.144.221.200 - 81.144.221.207 81.128.0.0/11 8 BTNET-CUSTOMER United Kingdom
20 81.145.206.32 - 81.145.206.63 81.128.0.0/11 32 CONCOURSE-COMMUNICATIONS United Kingdom

British Telecommunications PLC domains (0 total)

# Name IP Rank Updated
No results

British Telecommunications PLC users

# IP OS Browser Updated
1 2a00:23c4:2a42:c201:c1c8:b62e:4f2b:8a4c Mac OS X Chrome 128.0 Last seen: 31.03.2026
2 86.151.158.22 iPod Mobile Safari Generic Last seen: 30.03.2026
3 2a00:23c8:d335:b301:64c1:a471:5348:ffba Mac OS X Chrome 142.0 Last seen: 29.03.2026
4 2a00:23c8:15d6:7b01:f96a:d57d:4770:8dff Mac OS X Safari 5.0 Last seen: 28.03.2026
5 2a00:23c7:808a:ea01:2d19:2dc1:2c28:bbb8 Android Chrome Generic for Android Last seen: 27.03.2026
6 86.155.152.54 Mac OS X Chrome 132.0 Last seen: 27.03.2026
7 86.141.138.200 Mac OS X Chrome 69.0 Last seen: 26.03.2026
8 86.151.197.168 Mac OS X Chrome 69.0 Last seen: 26.03.2026
9 31.94.68.139 Mac OS X Chrome 69.0 Last seen: 26.03.2026
10 86.146.207.136 Mac OS X Firefox 133.0 Last seen: 26.03.2026
11 86.158.131.14 Mac OS X Chrome 69.0 Last seen: 26.03.2026
12 5.81.234.252 Mac OS X Chrome 69.0 Last seen: 26.03.2026
13 2a00:23c7:a3:8c01:e1a7:d68b:e97b:f9bc Windows 10 Chrome 145.0 Last seen: 25.03.2026
14 31.94.71.23 Windows Server 2003/XP x64 Chrome Generic Last seen: 24.03.2026
15 31.117.78.59 Mac OS X Safari 4.0 Last seen: 20.03.2026
16 2a00:23c8:6dda:9b01:6511:7ff5:2219:1024 Mac OS X Safari Generic Last seen: 19.03.2026
17 86.184.229.218 Windows Server 2003/XP x64 IE 7.0 Last seen: 19.03.2026
18 217.44.240.159 Windows Server 2003/XP x64 Opera Generic Last seen: 19.03.2026
19 31.105.240.47 Mac OS X Chrome 142.0 Last seen: 18.03.2026
20 31.105.238.226 Mac OS X Chrome 142.0 Last seen: 18.03.2026