AS3300 British Telecommunications PLC

A network in United States. Here are the size of its IP ranges and the data used for visitor checks.

Country

IPv4 addresses

513,024 addresses

IPv4 ranges

IPv6 ranges

Visitor check data

This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work

United States271,768 addresses

Canada95,136 addresses

Singapore22,080 addresses

Japan17,888 addresses

Up to 20, largest first (33 in total).

205.248.0.0/16

206.182.0.0/16

207.117.0.0/16

207.209.0.0/16

209.28.0.0/16

204.231.0.0 ~ 204.231.111.255

204.231.113.0 ~ 204.231.191.255

61.14.0.0/18

63.250.128.0/18

192.237.64.0/18

198.207.64.0/18

199.6.64.0/18

204.140.64.0/18

192.92.18.0 ~ 192.92.63.255

192.157.130.0 ~ 192.157.161.255

203.187.128.0/19

72.29.128.0/20

136.238.238.0 ~ 136.238.241.255

192.92.80.0 ~ 192.92.82.255

185.249.5.0 ~ 185.249.6.255

Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12