Data as of Nov 15, 2026

81.200.63.0/25

2 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement

81.200.56.0/21

RPKI valid

Announced by

AS41046

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

1.6% of its addresses · 30 days

Providers

selling exits here

Oct 16, 2026 – Nov 14, 2026

Exits seen per day

49 observations

Proxy providers listing exits

FastProxy
KocerRoxy
LemonBright
ThunderProxy
VitalExclusive

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
81.200.48.0/20 since Sep 2006	AS41046	Residential	24 1 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
81.200.48.0/20	4,096	CZ-CZNET-20060601	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Jun 1, 2006	abuse@o2.cz
└ 81.200.63.0/25	128	NET-BKS-37-BV-CMTS	BKS Breclav cable modem customers	ASSIGNED PA	Apr 27, 2010	abuse@o2.cz via CZ-CZNET-20060601

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

81.200.56.0/21

Routing history

Pattern: Stable
First seen: Mar 2011
Current origin since: Mar 2011 · 16 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
81.200.56.0/21	AS41046	/21	RIPE	RPKI valid
81.200.48.0/20	AS41046	/20	RIPE	Too specific

IRR

Route objects on 81.200.56.0/21

Origin	Registry	Description	Maintainer	Modified
AS41046	RIPE	NEJTV	KTVTRINEC-MNT	Jul 13, 2012