CIDR 81.128.0.0/12
CIDR:
81.128.0.0/12
ASN:
AS Number: 2856
AS Description: BT-UK-AS - British Telecommunications PLC, GB
AS Description: BT-UK-AS - British Telecommunications PLC, GB
Network Address:
CIDR Size:
81.128.0.0/12 consists of 4'096 networks, each of which can hold 1'048'576 hosts.