Data as of Nov 11, 2026

109.72.3.0/24

3 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement

109.72.0.0/20

RPKI valid

Announced by

AS49767

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

1.2% of its addresses · 30 days

Providers

selling exits here

Oct 12, 2026 – Nov 10, 2026

Exits seen per day

55 observations

Proxy providers listing exits

2Captcha
BirdProxies
ByteProxies
Byteful
EnigmaProxy
FlashProxy
GonzoProxy
IPOasis
Infatica
LemonBright
MangoProxy
NodeMaven
Proxy-Seller
ProxyEmpire
ProxyHat
Proxyma
Shifter
Thordata
VibeProxies
VitalExclusive
VitalProxy

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
109.72.0.0/20	4,096	CZ-CZNET-20090904	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Nov 12, 2020	abuse@o2.cz
└ 109.72.3.0/24	256	IPB_CUSTOMERS	unknown	ASSIGNED PA	May 9, 2018	abuse@o2.cz via CZ-CZNET-20090904

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 109.72.0.0/20

109.72.0.0/20

Routing history

Pattern: Stable
First seen: Sep 2009
Current origin since: Dec 2009 · 17 yr
Origin networks: 2
Last change of origin: Dec 2009

Recorded history

History

Handoffs: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
109.72.0.0/20	AS49767	/20	RIPE	RPKI valid

IRR

Route objects on 109.72.0.0/20

Origin	Registry	Description	Maintainer	Modified
AS49767	RIPE		KTVTRINEC-MNT	Nov 17, 2020