AS2856 217.46.144.0/20 CIDR and IP Range Summary.ASN: 2856 - British Telecommunications PLCHost Count: 4094Addressable IPs: 4096217.46.144.0/24217.46.145.0/24217.46.146.0/24217.46.147.0/24217.46.148.0/24217.46.149.0/24217.46.150.0/24217.46.151.0/24217.46.152.0/24217.46.153.0/24217.46.154.0/24217.46.155.0/24217.46.156.0/24217.46.157.0/24217.46.158.0/24217.46.159.0/24