AS3300 · British Telecommunications Limited

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

Summary

AS number
AS3300
Name
British Telecommunications Limited
Country
🇬🇧 United Kingdom
Type
RIPE
Category
isp
Normalized type
isp
Organization domain
bt.net
Domain evidence
Source reported; ownership unverified
Last changed
Unknown
Announced
153 prefixes
Updated
2026-10-25

IPv4 prefixes on this page (50 of 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

Address slots sum announced prefixes; overlapping routes count separately.