IPv4 prefix

81.0.240.0/23

IP Prefix (CIDR)

81.0.240.0/23

Subnet Mask

255.255.254.0

Address Count

512

IP Range

81.0.240.0 - 81.0.241.255

Subnet calculator

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Registered Owner

Handle

CASABLANCA-RIPE-MNT

Country

Czechia (CZ)

Registry

RIPENCC

Registered Prefixes

81.0.240.0/25 (81.0.240.0 - 81.0.240.127)
81.0.240.128/27 (81.0.240.128 - 81.0.240.159)
81.0.240.160/27 (81.0.240.160 - 81.0.240.191)
81.0.240.192/26 (81.0.240.192 - 81.0.240.255)
81.0.241.128/28 (81.0.241.128 - 81.0.241.143)

Delegated Prefix

81.0.240.0/22 (81.0.240.0 - 81.0.243.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.0.240.0/23	Exact	AS15685	CASABLANCA INT a.s.	Czechia (CZ)	81.0.240.0	81.0.241.255