AS5400 213.15.23.0/24 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 254Addressable IPs: 256 213.15.23.0213.15.23.1213.15.23.2213.15.23.3213.15.23.4213.15.23.5213.15.23.6213.15.23.7213.15.23.8213.15.23.9213.15.23.10213.15.23.11213.15.23.12213.15.23.13213.15.23.14213.15.23.15213.15.23.16213.15.23.17213.15.23.18213.15.23.19213.15.23.20213.15.23.21213.15.23.22213.15.23.23213.15.23.24213.15.23.25213.15.23.26213.15.23.27213.15.23.28213.15.23.29213.15.23.30213.15.23.31213.15.23.32213.15.23.33213.15.23.34213.15.23.35213.15.23.36213.15.23.37213.15.23.38213.15.23.39213.15.23.40213.15.23.41213.15.23.42213.15.23.43213.15.23.44213.15.23.45213.15.23.46213.15.23.47213.15.23.48213.15.23.49213.15.23.50213.15.23.51213.15.23.52213.15.23.53213.15.23.54213.15.23.55213.15.23.56213.15.23.57213.15.23.58213.15.23.59213.15.23.60213.15.23.61213.15.23.62213.15.23.63213.15.23.64213.15.23.65213.15.23.66213.15.23.67213.15.23.68213.15.23.69213.15.23.70213.15.23.71213.15.23.72213.15.23.73213.15.23.74213.15.23.75213.15.23.76213.15.23.77213.15.23.78213.15.23.79213.15.23.80213.15.23.81213.15.23.82213.15.23.83213.15.23.84213.15.23.85213.15.23.86213.15.23.87213.15.23.88213.15.23.89213.15.23.90213.15.23.91213.15.23.92213.15.23.93213.15.23.94213.15.23.95213.15.23.96213.15.23.97213.15.23.98213.15.23.99213.15.23.100213.15.23.101213.15.23.102213.15.23.103213.15.23.104213.15.23.105213.15.23.106213.15.23.107213.15.23.108213.15.23.109213.15.23.110213.15.23.111213.15.23.112213.15.23.113213.15.23.114213.15.23.115213.15.23.116213.15.23.117213.15.23.118213.15.23.119213.15.23.120213.15.23.121213.15.23.122213.15.23.123213.15.23.124213.15.23.125213.15.23.126213.15.23.127213.15.23.128213.15.23.129213.15.23.130213.15.23.131213.15.23.132213.15.23.133213.15.23.134213.15.23.135213.15.23.136213.15.23.137213.15.23.138213.15.23.139213.15.23.140213.15.23.141213.15.23.142213.15.23.143213.15.23.144213.15.23.145213.15.23.146213.15.23.147213.15.23.148213.15.23.149213.15.23.150213.15.23.151213.15.23.152213.15.23.153213.15.23.154213.15.23.155213.15.23.156213.15.23.157213.15.23.158213.15.23.159213.15.23.160213.15.23.161213.15.23.162213.15.23.163213.15.23.164213.15.23.165213.15.23.166213.15.23.167213.15.23.168213.15.23.169213.15.23.170213.15.23.171213.15.23.172213.15.23.173213.15.23.174213.15.23.175213.15.23.176213.15.23.177213.15.23.178213.15.23.179213.15.23.180213.15.23.181213.15.23.182213.15.23.183213.15.23.184213.15.23.185213.15.23.186213.15.23.187213.15.23.188213.15.23.189213.15.23.190213.15.23.191213.15.23.192213.15.23.193213.15.23.194213.15.23.195213.15.23.196213.15.23.197213.15.23.198213.15.23.199213.15.23.200213.15.23.201213.15.23.202213.15.23.203213.15.23.204213.15.23.205213.15.23.206213.15.23.207213.15.23.208213.15.23.209213.15.23.210213.15.23.211213.15.23.212213.15.23.213213.15.23.214213.15.23.215213.15.23.216213.15.23.217213.15.23.218213.15.23.219213.15.23.220213.15.23.221213.15.23.222213.15.23.223213.15.23.224213.15.23.225213.15.23.226213.15.23.227213.15.23.228213.15.23.229213.15.23.230213.15.23.231213.15.23.232213.15.23.233213.15.23.234213.15.23.235213.15.23.236213.15.23.237213.15.23.238213.15.23.239213.15.23.240213.15.23.241213.15.23.242213.15.23.243213.15.23.244213.15.23.245213.15.23.246213.15.23.247213.15.23.248213.15.23.249213.15.23.250213.15.23.251213.15.23.252213.15.23.253213.15.23.254213.15.23.255