Data as of Nov 14, 2026

90.183.34.0/24

1 residential-proxy exit · 30 days

O2 Czech Republic, a.s.

Announcement

90.183.0.0/16

RPKI valid

Announced by

AS5610

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

1 observation

Proxy providers listing exits

Ake.net

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
90.180.0.0/14 since Mar 2009	AS5610	Residential	1,247 75 always on	O2 Czech Republic, a.s.

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
90.176.32.0 - 90.183.255.255	516,096	CZ-CZNET-20061017	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Nov 4, 2015	abuse@o2.cz
└ 90.183.34.0/24	256	TRANSOFT	Vrbenska 2082	ASSIGNED PA	Mar 21, 2008	abuse@o2.cz via CZ-CZNET-20061017

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

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

90.183.0.0/16

Routing history

Pattern: Stable
First seen: Aug 2025
Current origin since: Aug 2025 · 1.2 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
90.183.0.0/16	AS5610	/16	RIPE	RPKI valid
90.180.0.0/14	AS5610	/14	RIPE	Too specific

IRR

Route objects on 90.183.0.0/16

Origin	Registry	Description	Maintainer	Modified
AS5610	RIPE		AS5610-MTN	Aug 31, 2025