Autonomous system

AS3300

Autonomous System Number (ASN): AS3300
Country: United Kingdom of Great Britain and Northern Ireland (GB)
Organization: British Telecommunications Limited
Handle: BT
Names and aliases: British Telecom GIIB, British Telecommunications PLC
Websites: http://www.bt.net
Category: isp
Network Role: midsize_transit
Number of IPv4: 513,280
Number of IPv6: 1.5846 x 10^29

IPv4 Prefixes

Showing up to 100 prefixes per page.

Prefix	Address Count	First Address	Last Address
61.14.0.0/18	16,384	61.14.0.0	61.14.63.255
63.250.128.0/18	16,384	63.250.128.0	63.250.191.255
72.29.128.0/20	4,096	72.29.128.0	72.29.143.255
136.238.168.0/24	256	136.238.168.0	136.238.168.255
136.238.185.0/24	256	136.238.185.0	136.238.185.255
136.238.187.0/24	256	136.238.187.0	136.238.187.255
136.238.229.0/24	256	136.238.229.0	136.238.229.255
136.238.232.0/24	256	136.238.232.0	136.238.232.255
136.238.238.0/23	512	136.238.238.0	136.238.239.255
136.238.240.0/23	512	136.238.240.0	136.238.241.255
136.238.243.0/24	256	136.238.243.0	136.238.243.255
185.249.5.0/24	256	185.249.5.0	185.249.5.255
185.249.6.0/24	256	185.249.6.0	185.249.6.255
192.92.18.0/23	512	192.92.18.0	192.92.19.255
192.92.20.0/22	1,024	192.92.20.0	192.92.23.255
192.92.24.0/21	2,048	192.92.24.0	192.92.31.255
192.92.32.0/19	8,192	192.92.32.0	192.92.63.255
192.92.80.0/23	512	192.92.80.0	192.92.81.255
192.92.82.0/24	256	192.92.82.0	192.92.82.255
192.157.130.0/23	512	192.157.130.0	192.157.131.255
192.157.132.0/22	1,024	192.157.132.0	192.157.135.255
192.157.136.0/21	2,048	192.157.136.0	192.157.143.255
192.157.144.0/20	4,096	192.157.144.0	192.157.159.255
192.157.160.0/23	512	192.157.160.0	192.157.161.255
192.237.64.0/18	16,384	192.237.64.0	192.237.127.255
194.33.52.0/24	256	194.33.52.0	194.33.52.255
195.206.69.0/24	256	195.206.69.0	195.206.69.255
195.206.70.0/24	256	195.206.70.0	195.206.70.255
198.137.75.0/24	256	198.137.75.0	198.137.75.255
198.178.237.0/24	256	198.178.237.0	198.178.237.255
198.178.239.0/24	256	198.178.239.0	198.178.239.255
198.207.64.0/18	16,384	198.207.64.0	198.207.127.255
199.6.64.0/18	16,384	199.6.64.0	199.6.127.255
203.187.128.0/19	8,192	203.187.128.0	203.187.159.255
204.52.187.0/24	256	204.52.187.0	204.52.187.255
204.79.84.0/24	256	204.79.84.0	204.79.84.255
204.140.64.0/18	16,384	204.140.64.0	204.140.127.255
204.231.0.0/17	32,768	204.231.0.0	204.231.127.255
204.231.128.0/18	16,384	204.231.128.0	204.231.191.255
205.248.0.0/16	65,536	205.248.0.0	205.248.255.255
206.182.0.0/16	65,536	206.182.0.0	206.182.255.255
207.117.0.0/16	65,536	207.117.0.0	207.117.255.255
207.209.0.0/16	65,536	207.209.0.0	207.209.255.255
209.28.0.0/16	65,536	209.28.0.0	209.28.255.255