IPv4 prefix

81.2.56.0/21

IP Prefix (CIDR)

81.2.56.0/21

Subnet Mask

255.255.248.0

Address Count

2,048

IP Range

81.2.56.0 - 81.2.63.255

Subnet calculator

Calculate subnet details

Registered Owner

Handle

PRIMORYE-NCC-MNT

Country

Russian Federation (RU)

Registry

RIPENCC

Registered Prefix

81.2.56.0/21 (81.2.56.0 - 81.2.63.255)

Delegated Prefix

81.2.0.0/18 (81.2.0.0 - 81.2.63.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.2.56.0/21	Exact	AS12389	PJSC Rostelecom	Russian Federation (RU)	81.2.56.0	81.2.63.255