AS2856 31.48.0.0/13 CIDR and IP Range Summary.ASN: 2856 - British Telecommunications PLCHost Count: 524286Addressable IPs: 52428831.48.0.0/1631.48.0.0/1631.48.0.0/1631.48.0.0/1631.48.0.0/1631.48.0.0/1631.48.0.0/1631.48.0.0/16