IPv4 prefix

81.30.16.0/20

IP Prefix (CIDR)

81.30.16.0/20

Subnet Mask

255.255.240.0

Address Count

4,096

IP Range

81.30.16.0 - 81.30.31.255

Subnet calculator

Calculate subnet details

Registered Owner

Handle

COMESER-MNT

Country

Italy (IT)

Registry

RIPENCC

Registered Prefixes

81.30.16.0/23 (81.30.16.0 - 81.30.17.255)
81.30.18.0/24 (81.30.18.0 - 81.30.18.255)
81.30.19.0/24 (81.30.19.0 - 81.30.19.255)
81.30.20.0/22 (81.30.20.0 - 81.30.23.255)
81.30.24.0/22 (81.30.24.0 - 81.30.27.255)
81.30.28.0/23 (81.30.28.0 - 81.30.29.255)
81.30.30.0/23 (81.30.30.0 - 81.30.31.255)

Delegated Prefix

81.30.16.0/20 (81.30.16.0 - 81.30.31.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.30.16.0/20	Exact	AS39657	Comeser S.r.l.	Italy (IT)	81.30.16.0	81.30.31.255