IPv4 prefix

81.16.72.0/21

IP Prefix (CIDR)

81.16.72.0/21

Subnet Mask

255.255.248.0

Address Count

2,048

IP Range

81.16.72.0 - 81.16.79.255

Subnet calculator

Calculate subnet details

Registered Owner

Handle

DATANET-NOC

Country

Finland (FI)

Registry

RIPENCC

Registered Prefixes

81.16.72.0/21 (81.16.72.0 - 81.16.79.255)
81.16.72.96/29 (81.16.72.96 - 81.16.72.103)
81.16.76.72/29 (81.16.76.72 - 81.16.76.79)
81.16.78.64/26 (81.16.78.64 - 81.16.78.127)
81.16.78.128/29 (81.16.78.128 - 81.16.78.135)
81.16.78.136/29 (81.16.78.136 - 81.16.78.143)
81.16.78.144/28 (81.16.78.144 - 81.16.78.159)
81.16.78.160/27 (81.16.78.160 - 81.16.78.191)
81.16.78.192/26 (81.16.78.192 - 81.16.78.255)

Delegated Prefix

81.16.64.0/20 (81.16.64.0 - 81.16.79.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.16.64.0/20	Covering	AS1759	Telia Finland Oyj	Finland (FI)	81.16.64.0	81.16.79.255