Data as of Nov 14, 2026

46.183.58.0/24

1 residential-proxy exit · 30 days

O2 Czech Republic, a.s.

Announcement

46.183.56.0/21

RPKI valid

Announced by

AS42908

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

Decodo

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
46.183.56.0/21	2,048	CZ-CZNET-20101202	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Apr 1, 2025	abuse@o2.cz
└ 46.183.58.128/27	32	CZ-NORDICTELECOMREGIONAL-20101202	unknown	ASSIGNED PA	Apr 6, 2011	abuse@o2.cz via CZ-CZNET-20101202

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

Who has announced 46.183.56.0/21

46.183.56.0/21

Routing history

Pattern: Rotating
First seen: Oct 2011
Current origin since: Dec 2024 · 1.9 yr
Origin networks: 2
Last change of origin: Dec 2024

Recorded history

History

Handoffs: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
46.183.56.0/21	AS42908	/21	RIPE	RPKI valid

IRR

Route objects on 46.183.56.0/21

Origin	Registry	Description	Maintainer	Modified
AS42908	RIPE		MNT-NORDICTELECOM AS5610-MTN	Apr 1, 2025