AS5400 212.163.48.0/20 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 4094Addressable IPs: 4096212.163.48.0/24212.163.49.0/24212.163.50.0/24212.163.51.0/24212.163.52.0/24212.163.53.0/24212.163.54.0/24212.163.55.0/24212.163.56.0/24212.163.57.0/24212.163.58.0/24212.163.59.0/24212.163.60.0/24212.163.61.0/24212.163.62.0/24212.163.63.0/24