AS5400 213.31.181.0/24 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 254Addressable IPs: 256 213.31.181.0213.31.181.1213.31.181.2213.31.181.3213.31.181.4213.31.181.5213.31.181.6213.31.181.7213.31.181.8213.31.181.9213.31.181.10213.31.181.11213.31.181.12213.31.181.13213.31.181.14213.31.181.15213.31.181.16213.31.181.17213.31.181.18213.31.181.19213.31.181.20213.31.181.21213.31.181.22213.31.181.23213.31.181.24213.31.181.25213.31.181.26213.31.181.27213.31.181.28213.31.181.29213.31.181.30213.31.181.31213.31.181.32213.31.181.33213.31.181.34213.31.181.35213.31.181.36213.31.181.37213.31.181.38213.31.181.39213.31.181.40213.31.181.41213.31.181.42213.31.181.43213.31.181.44213.31.181.45213.31.181.46213.31.181.47213.31.181.48213.31.181.49213.31.181.50213.31.181.51213.31.181.52213.31.181.53213.31.181.54213.31.181.55213.31.181.56213.31.181.57213.31.181.58213.31.181.59213.31.181.60213.31.181.61213.31.181.62213.31.181.63213.31.181.64213.31.181.65213.31.181.66213.31.181.67213.31.181.68213.31.181.69213.31.181.70213.31.181.71213.31.181.72213.31.181.73213.31.181.74213.31.181.75213.31.181.76213.31.181.77213.31.181.78213.31.181.79213.31.181.80213.31.181.81213.31.181.82213.31.181.83213.31.181.84213.31.181.85213.31.181.86213.31.181.87213.31.181.88213.31.181.89213.31.181.90213.31.181.91213.31.181.92213.31.181.93213.31.181.94213.31.181.95213.31.181.96213.31.181.97213.31.181.98213.31.181.99213.31.181.100213.31.181.101213.31.181.102213.31.181.103213.31.181.104213.31.181.105213.31.181.106213.31.181.107213.31.181.108213.31.181.109213.31.181.110213.31.181.111213.31.181.112213.31.181.113213.31.181.114213.31.181.115213.31.181.116213.31.181.117213.31.181.118213.31.181.119213.31.181.120213.31.181.121213.31.181.122213.31.181.123213.31.181.124213.31.181.125213.31.181.126213.31.181.127213.31.181.128213.31.181.129213.31.181.130213.31.181.131213.31.181.132213.31.181.133213.31.181.134213.31.181.135213.31.181.136213.31.181.137213.31.181.138213.31.181.139213.31.181.140213.31.181.141213.31.181.142213.31.181.143213.31.181.144213.31.181.145213.31.181.146213.31.181.147213.31.181.148213.31.181.149213.31.181.150213.31.181.151213.31.181.152213.31.181.153213.31.181.154213.31.181.155213.31.181.156213.31.181.157213.31.181.158213.31.181.159213.31.181.160213.31.181.161213.31.181.162213.31.181.163213.31.181.164213.31.181.165213.31.181.166213.31.181.167213.31.181.168213.31.181.169213.31.181.170213.31.181.171213.31.181.172213.31.181.173213.31.181.174213.31.181.175213.31.181.176213.31.181.177213.31.181.178213.31.181.179213.31.181.180213.31.181.181213.31.181.182213.31.181.183213.31.181.184213.31.181.185213.31.181.186213.31.181.187213.31.181.188213.31.181.189213.31.181.190213.31.181.191213.31.181.192213.31.181.193213.31.181.194213.31.181.195213.31.181.196213.31.181.197213.31.181.198213.31.181.199213.31.181.200213.31.181.201213.31.181.202213.31.181.203213.31.181.204213.31.181.205213.31.181.206213.31.181.207213.31.181.208213.31.181.209213.31.181.210213.31.181.211213.31.181.212213.31.181.213213.31.181.214213.31.181.215213.31.181.216213.31.181.217213.31.181.218213.31.181.219213.31.181.220213.31.181.221213.31.181.222213.31.181.223213.31.181.224213.31.181.225213.31.181.226213.31.181.227213.31.181.228213.31.181.229213.31.181.230213.31.181.231213.31.181.232213.31.181.233213.31.181.234213.31.181.235213.31.181.236213.31.181.237213.31.181.238213.31.181.239213.31.181.240213.31.181.241213.31.181.242213.31.181.243213.31.181.244213.31.181.245213.31.181.246213.31.181.247213.31.181.248213.31.181.249213.31.181.250213.31.181.251213.31.181.252213.31.181.253213.31.181.254213.31.181.255