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Autonomous systems

AS3300 BT

Unclassified network🇬🇧 United KingdomAS3300
IPv4 prefixes
49
IPv4 addresses
512,768
IPv6 prefixes
10
Registered
2002-09-19
whois.ripe.net

At a glance

Network type
Unclassified network
Registry name
BT AS3300
registrant
CIP-MNT
technical
BT Support
administrative
Infonet Ripe Admin-c
registrant
British Telecommunications Limited

WHOIS → · ASN lookup →

IPv4 prefixes

Page 1
CIDRFirst addressLast addressAddresses
61.14.0.0/2061.14.0.061.14.15.2554,096
61.14.16.0/2061.14.16.061.14.34.2554,864
61.14.35.0/2461.14.35.061.14.36.255512
61.14.37.0/2461.14.37.061.14.52.2554,096
61.14.53.0/2461.14.53.061.14.63.2552,816
63.250.128.0/2263.250.128.063.250.132.2551,280
63.250.133.0/2463.250.133.063.250.144.2553,072
63.250.145.0/2463.250.145.063.250.165.2555,376
63.250.166.0/2363.250.166.063.250.187.2555,632
63.250.188.0/2363.250.188.063.250.189.255512
63.250.190.0/2363.250.190.063.250.191.255512
72.29.128.0/2172.29.128.072.29.135.2552,048
72.29.136.0/2172.29.136.072.29.143.2552,048
136.238.168.0/24136.238.168.0136.238.168.255256
136.238.185.0/24136.238.185.0136.238.185.255256
136.238.187.0/24136.238.187.0136.238.187.255256
136.238.229.0/24136.238.229.0136.238.229.255256
136.238.232.0/24136.238.232.0136.238.232.255256
136.238.238.0/23136.238.238.0136.238.241.2551,024
136.238.243.0/24136.238.243.0136.238.243.255256
185.249.5.0/24185.249.5.0185.249.6.255512
192.92.18.0/23192.92.18.0192.92.63.25511,776
192.92.80.0/23192.92.80.0192.92.82.255768
192.157.130.0/23192.157.130.0192.157.143.2553,584
192.157.145.0/24192.157.145.0192.157.149.2551,280
192.157.151.0/24192.157.151.0192.157.161.2552,816
192.237.64.0/18192.237.64.0192.237.127.25516,384
194.33.52.0/24194.33.52.0194.33.52.255256
195.206.69.0/24195.206.69.0195.206.70.255512
198.137.75.0/24198.137.75.0198.137.75.255256
198.178.237.0/24198.178.237.0198.178.237.255256
198.178.239.0/24198.178.239.0198.178.239.255256
198.207.64.0/20198.207.64.0198.207.83.2555,120
198.207.84.0/22198.207.84.0198.207.127.25511,264
199.6.64.0/18199.6.64.0199.6.127.25516,384
203.187.128.0/19203.187.128.0203.187.159.2558,192
204.52.187.0/24204.52.187.0204.52.187.255256
204.79.84.0/24204.79.84.0204.79.84.255256
204.140.64.0/18204.140.64.0204.140.127.25516,384
204.231.0.0/17204.231.0.0204.231.191.25549,152
205.248.0.0/16205.248.0.0205.248.255.25565,536
206.182.0.0/17206.182.0.0206.182.134.25534,560
206.182.135.0/24206.182.135.0206.182.164.2557,680
206.182.165.0/24206.182.165.0206.182.255.25523,296
207.117.0.0/16207.117.0.0207.117.255.25565,536
207.209.0.0/18207.209.0.0207.209.95.25524,576
207.209.96.0/19207.209.96.0207.209.255.25540,960
209.28.0.0/17209.28.0.0209.28.174.25544,800
209.28.175.0/24209.28.175.0209.28.255.25520,736

IPv6 prefixes

10
2402:fb00::/342402:fb00:4000::/342402:fb00:8200::/392402:fb00:8600::/392402:fb00:8900::/342402:fb00:c400::/342606:f100::/322606:f100:d200::/392606:f100:e000::/382606:f100:e600::/35
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