AS5400 212.49.168.0/21 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 2046Addressable IPs: 2048212.49.168.0/24212.49.169.0/24212.49.170.0/24212.49.171.0/24212.49.172.0/24212.49.173.0/24212.49.174.0/24212.49.175.0/24