AS5400 167.184.192.0/21 CIDR and IP Range Summary.ASN: 5400 - British Telecommunications PLCHost Count: 2046Addressable IPs: 2048167.184.192.0/24167.184.193.0/24167.184.194.0/24167.184.195.0/24167.184.196.0/24167.184.197.0/24167.184.198.0/24167.184.199.0/24