AS3300 · British Telecommunications Limited

124
IPv4 prefixes
605,440
IPv4 addresses
29
IPv6 prefixes
🇬🇧 GB
Country

Summary

AS number
AS3300
Name
British Telecommunications Limited
Country
🇬🇧 United Kingdom
Type
RIPE
Category
isp
Announced
153 prefixes
Updated
2026-08-26

Announced IPv4 prefixes (124)

Prefix
61.14.0.0/18
61.14.1.0/24
61.14.2.0/23
61.14.4.0/22
61.14.7.0/24
61.14.8.0/22
61.14.11.0/24
61.14.12.0/22
61.14.15.0/24
61.14.20.0/22
61.14.24.0/22
61.14.28.0/22
61.14.31.0/24
61.14.32.0/22
61.14.34.0/24
61.14.36.0/22
61.14.36.0/24
61.14.39.0/24
61.14.40.0/22
61.14.44.0/22
61.14.48.0/22
61.14.52.0/24
63.250.128.0/18
63.250.128.0/22
63.250.131.0/24
63.250.132.0/22
63.250.132.0/24
63.250.135.0/24
63.250.136.0/22
63.250.136.0/23
63.250.138.0/24
63.250.139.0/24
63.250.140.0/22
63.250.144.0/22
63.250.144.0/24
63.250.147.0/24
63.250.148.0/22
63.250.151.0/24
63.250.152.0/22
63.250.155.0/24
63.250.156.0/22
63.250.159.0/24
63.250.160.0/22
63.250.163.0/24
63.250.164.0/24
63.250.165.0/24
63.250.168.0/22
63.250.171.0/24
63.250.172.0/24
63.250.173.0/24
63.250.174.0/24
63.250.176.0/22
63.250.180.0/22
63.250.184.0/22
63.250.187.0/24
63.250.189.0/24
63.250.191.0/24
72.29.128.0/20
72.29.132.0/22
136.238.168.0/24
136.238.185.0/24
136.238.187.0/24
136.238.229.0/24
136.238.232.0/24
136.238.238.0/24
136.238.239.0/24
136.238.240.0/24
136.238.241.0/24
136.238.243.0/24
185.249.5.0/24
185.249.6.0/24
192.92.18.0/24
192.92.19.0/24
192.92.20.0/22
192.92.24.0/21
192.92.32.0/19
192.92.80.0/23
192.92.82.0/24
192.157.130.0/23
192.157.132.0/22
192.157.136.0/21
192.157.144.0/20
192.157.160.0/23
192.237.64.0/18
194.33.52.0/24
195.206.69.0/24
195.206.70.0/24
198.137.75.0/24
198.178.237.0/24
198.178.239.0/24
198.207.64.0/18
198.207.64.0/22
198.207.67.0/24
198.207.68.0/22
198.207.72.0/22
198.207.74.0/24
198.207.75.0/24
198.207.76.0/22
198.207.78.0/24
198.207.79.0/24
198.207.80.0/22
198.207.127.0/24
199.6.64.0/18
203.187.128.0/19
203.187.128.0/22
203.187.145.0/24
203.187.146.0/24
204.52.187.0/24
204.79.84.0/24
204.140.64.0/18
204.231.0.0/17
204.231.128.0/18
205.248.0.0/16
206.182.0.0/16
206.182.128.0/18
206.182.134.0/24
206.182.164.0/24
206.182.192.0/18
207.117.0.0/16
207.209.0.0/16
207.209.0.0/19
207.209.64.0/19
209.28.0.0/16
209.28.174.0/24

Announced IPv6 prefixes (29)

Prefix
2402:fb00::/32
2402:fb00::/36
2402:fb00:f00::/40
2402:fb00:1000::/36
2402:fb00:1f00::/40
2402:fb00:2000::/36
2402:fb00:2f00::/40
2402:fb00:3000::/36
2402:fb00:3f00::/40
2606:f100::/32
2606:f100::/36
2606:f100:f00::/40
2606:f100:1000::/36
2606:f100:1f00::/40
2606:f100:2000::/36
2606:f100:2f00::/40
2606:f100:3000::/36
2606:f100:3f00::/40
2606:f100:4000::/36
2606:f100:4f00::/40
2606:f100:5000::/36
2606:f100:5f00::/40
2606:f100:6000::/36
2606:f100:7000::/36
2606:f100:7f00::/40
2606:f100:8000::/36
2606:f100:8f00::/40
2606:f100:9000::/36
2606:f100:c000::/36