IPv4 prefix

31.48.0.0/15

IP Prefix (CIDR)

31.48.0.0/15

Subnet Mask

255.254.0.0

Address Count

131,072

IP Range

31.48.0.0 - 31.49.255.255

Subnet calculator

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Registered Owner

Handle

BTNET-MNT

Country

United Kingdom of Great Britain and Northern Ireland (GB)

Registry

RIPENCC

Registered Prefix

31.48.0.0/15 (31.48.0.0 - 31.49.255.255)

Delegated Prefix

31.48.0.0/13 (31.48.0.0 - 31.55.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
31.48.0.0/13	Covering	AS2856	British Telecommunications Limited	United Kingdom of Great Britain and Northern Ireland (GB)	31.48.0.0	31.55.255.255