IPv4 prefix

81.87.0.0/20

IP Prefix (CIDR)
81.87.0.0/20
Subnet Mask
255.255.240.0
Handle
JANET-HOSTMASTER
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Registry
RIPENCC
Registered Prefix
81.87.0.0/20 (81.87.0.0 - 81.87.15.255)
Delegated Prefix
81.87.0.0/16 (81.87.0.0 - 81.87.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
81.87.0.0/16 Covering AS786 Jisc Services Limited United Kingdom of Great Britain and Northern Ireland (GB) 81.87.0.0 81.87.255.255