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 31.48.0.0 - 31.49.255.255 31.48.0.0/13 131,072 BT-Central-Plus United Kingdom
5 31.50.0.0 - 31.50.255.255 31.48.0.0/13 66,536 BT-Central-Plus United Kingdom
6 31.51.0.0 - 31.51.255.255 31.48.0.0/13 66,536 BT-Central-Plus United Kingdom
7 31.52.0.0 - 31.53.255.255 31.48.0.0/13 131,072 BT-Central-Plus United Kingdom
8 31.54.0.0 - 31.54.255.255 31.48.0.0/13 66,536 BT-Central-Plus United Kingdom
9 31.55.144.0 - 31.55.151.255 31.48.0.0/13 2,048 BT-PUBIP-INT United Kingdom
10 31.64.0.0 - 31.127.255.255 31.94.0.0/16 4,194,304 UK-TM-20101125 United Kingdom
11 31.120.0.0 - 31.120.255.255 31.120.0.0/16 66,536 BTNET-3 United Kingdom
12 81.135.0.0 - 81.135.127.255 81.128.0.0/12 33,768 BT-CENTRAL-PLUS United Kingdom
13 81.136.224.0 - 81.136.247.255 81.128.0.0/12 6,144 BT-ADSL United Kingdom
14 81.144.155.24 - 81.144.155.31 81.128.0.0/11 8 BTNET-CUSTOMER United Kingdom
15 81.144.221.200 - 81.144.221.207 81.128.0.0/11 8 BTNET-CUSTOMER United Kingdom
16 81.145.206.32 - 81.145.206.63 81.128.0.0/11 32 CONCOURSE-COMMUNICATIONS United Kingdom
17 81.147.120.0 - 81.147.127.255 81.128.0.0/11 2,048 BT-CENTRAL-PLUS United Kingdom
18 81.151.0.0 - 81.151.255.255 81.128.0.0/11 66,536 BT-CENTRAL-PLUS United Kingdom
19 81.153.0.0 - 81.153.255.255 81.128.0.0/11 66,536 BT-CENTRAL-PLUS United Kingdom
20 81.154.0.0 - 81.157.255.255 81.128.0.0/11 262,144 BT-CENTRAL-PLUS United Kingdom

British Telecommunications PLC domains (0 total)

# Name IP Rank Updated
No results

British Telecommunications PLC users

# IP OS Browser Updated
1 2a00:23c7:1651:2101:36af:b3ff:fe56:2005 Unknown OS Platform Chrome Generic Last seen: 27.11.2025
2 31.111.114.70 Android Chrome Generic for Android Last seen: 27.11.2025
3 31.94.64.252 iPod Mobile Safari Generic Last seen: 27.11.2025
4 2a00:23cc:bb3a:9f01:842d:5e36:9547:be4f iPod Mobile Safari Generic Last seen: 24.11.2025
5 86.166.172.6 Linux Opera Generic Last seen: 24.11.2025
6 2a00:23c8:f804:be01:90bc:c7e0:7444:68ef Linux Opera Generic Last seen: 24.11.2025
7 86.157.183.143 Unknown OS Platform Opera 9.12 Last seen: 24.11.2025
8 86.163.53.42 Unknown OS Platform DefaultProperties Last seen: 24.11.2025
9 31.94.26.170 Linux Opera 8.52 Last seen: 24.11.2025
10 2a00:23c8:f206:1501:1296:93ff:feb7:6e1f Linux Headless Chrome 123.0 Last seen: 20.11.2025
11 86.142.63.151 Windows 11 DefaultProperties Last seen: 11.11.2025
12 86.157.53.211 Windows 2000 DefaultProperties Last seen: 11.11.2025
13 2a00:23c8:9434:a501:7cf8:d1ca:6e:5b0 Windows 11 DefaultProperties Last seen: 09.11.2025
14 81.151.178.15 Windows 11 DefaultProperties Last seen: 08.11.2025
15 2a00:23c7:f3b6:5201:2baa:63bb:ba72:a904 Windows 7 Chrome Generic Last seen: 08.11.2025
16 86.163.123.81 Android Chrome 61.0 for Android Last seen: 07.11.2025
17 2a00:23cc:e606:f701:76a7:eaff:fe78:49f4 Mac OS X Chrome Generic Last seen: 06.11.2025
18 31.53.71.217 Windows 7 Opera 8.51 Last seen: 05.11.2025
19 2a00:23c7:86a8:c401:46d5:ccff:fe9a:2455 Linux Chrome 48.0 Last seen: 05.11.2025
20 2a00:23c8:5dfc:3f01:64a4:f23c:d3b8:c941 Linux Opera Generic Last seen: 05.11.2025