IPv4 prefix

81.5.192.0/18

IP Prefix (CIDR)

81.5.192.0/18

Subnet Mask

255.255.192.0

Address Count

16,384

IP Range

81.5.192.0 - 81.5.255.255

Subnet calculator

Calculate subnet details

Registered Owners

Registration 1 of 2

Owner

A1 Telekom Austria AG

Handle

ORG-TAA1-RIPE

Country

Austria (AT)

Address

Lassallestrasse 9 1020 Wien AUSTRIA

Registry

RIPENCC

Registered Prefix

81.5.192.0/18 (81.5.192.0 - 81.5.255.255)

Registration 2 of 2

Handle

AS8447-MNT

Country

Austria (AT)

Registry

RIPENCC

Registered Prefixes

81.5.210.64/27 (81.5.210.64 - 81.5.210.95)
81.5.214.0/27 (81.5.214.0 - 81.5.214.31)
81.5.214.32/28 (81.5.214.32 - 81.5.214.47)
81.5.215.24/29 (81.5.215.24 - 81.5.215.31)
81.5.219.0/24 (81.5.219.0 - 81.5.219.255)

Delegated Prefix

81.5.192.0/18 (81.5.192.0 - 81.5.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.5.192.0/18	Exact	AS8447	A1 Telekom Austria AG	Austria (AT)	81.5.192.0	81.5.255.255