Data as of Nov 6, 2026

81.0.222.0/23

No anonymizer space · no proxy exits in 30 days

WIA spol. s.r.o.

Announcement

this exact prefix

RPKI valid

Announced by

AS21430

Type

Residential

53% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
81.0.222.0 - 81.0.224.255	768	CZ-WIA-20011214	WIA spol. s.r.o. (ORG-WSS1-RIPE) · CZ	ALLOCATED PA	Jul 28, 2022	abuse@wia.cz
└ 81.0.222.0/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 13, 2010	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.8/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.24/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Nov 30, 2017	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.32/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.40/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.48/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.56/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.64/29	8	Casablanca-CZ	CASABLANCA INT s.r.o.	ASSIGNED PA	Sep 1, 2014	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.72/29	8	Casablanca-CZ	CASABLANCA INT s.r.o.	ASSIGNED PA	Dec 12, 2016	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.80/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.88/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.96/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.104/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.112/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.120/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.128/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.136/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.144/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 21, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.152/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 21, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.160/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 21, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.168/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.176/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 22, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.184/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 24, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.192/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 24, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.208/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Jun 5, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.216/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Jun 5, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.224/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Jul 27, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.232/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Dec 15, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.240/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Nov 18, 2009	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.222.248/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	May 19, 2010	abuse@wia.cz via CZ-WIA-20011214
└ 81.0.223.0/24	256	NM-CGIMETROPOLE-REVNICKA	CGI Metropole, s.r.o.	ASSIGNED PA	Feb 14, 2024	abuse@wia.cz via CZ-WIA-20011214

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

512 addresses

Type	Addresses	Share	Ranges
Residential	272	53%	3
Business	240	47%	30

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS21430

Name: WIA spol. s.r.o.
Type: Internet provider
Registered: Dec 7, 2001
Domain: wia.cz
Website: www.wia.cz/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
81.0.222.0/23	AS21430	/23	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS21430	RIPE	CASA to WIA transfer	CASABLANCA-CORE-MNT WIA-AS-MNT	Sep 3, 2019

81.0.222.0/23

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS21430

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact