81.0.253.0/24

Residential-proxy exits

Proxy exits

1

0.39% of its addresses · 30 days

Providers

1

selling exits here

Oct 5, 2026 – Nov 3, 2026

Exits seen per day

1 observation

Proxy providers listing exits

Oxylabs

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
81.0.251.0 - 81.0.253.255	768	CZ-WIA-20011214	WIA spol. s.r.o. (ORG-WSS1-RIPE) · CZ	ALLOCATED PA	Jul 28, 2022	[email protected]
└ 81.0.253.8/29	8	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 30, 2009	[email protected] via CZ-WIA-20011214
└ 81.0.253.16/29	8	NM-WEBGROUP-KRAKOVSKA	WebGroup Czech Republic, a.s.	ASSIGNED PA	Apr 23, 2025	[email protected] via CZ-WIA-20011214
└ 81.0.253.32/27	32	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Oct 6, 2009	[email protected] via CZ-WIA-20011214
└ 81.0.253.160/28	16	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 30, 2009	[email protected] via CZ-WIA-20011214
└ 81.0.253.192/28	16	CASABLANCAINT-CZ	Casablanca INT	ASSIGNED PA	Apr 30, 2009	[email protected] via CZ-WIA-20011214
└ 81.0.253.248/29	8	Casablanca-CZ	CASABLANCA INT s.r.o.	ASSIGNED PA	Nov 16, 2011	[email protected] 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

256 addresses

Type	Addresses	Share	Ranges
Residential	168	66%	5
Business	88	34%	6

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 81.0.252.0/23

Prefix: 81.0.252.0/23
Announced by: AS21430 WIA spol. s.r.o.
Type: Residential
Proxy exits: 3
RPKI: RPKI valid
Netname: CZ-WIA-20011214
Registrant: WIA spol. s.r.o.
RIR: RIPE NCC

Origin network

AS21430

CZ

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
81.0.252.0/23	AS21430	/23	RIPE	RPKI valid

IRR

Route objects on 81.0.252.0/23

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