AS5400 62.134.192.0/21 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 2046Addressable IPs: 204862.134.192.0/2462.134.193.0/2462.134.194.0/2462.134.195.0/2462.134.196.0/2462.134.197.0/2462.134.198.0/2462.134.199.0/24