212.158.136.0/24

Residential-proxy exits

Proxy exits

3

1.2% of its addresses · 30 days

Always-on exits

3

100% of its exits

Providers

31

selling exits here

Oct 4, 2026 – Nov 2, 2026

5.9K observations

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
212.158.128.0/19	8,192	CZ-CRA-20020906	RADIOKOMUNIKACE a.s. (ORG-CRA1-RIPE) · CZ	ALLOCATED PA	Sep 6, 2002	[email protected]
└ 212.158.136.16/29	8	O2-CZ	O2 Czech Republic a.s., Prague	ASSIGNED PA	Oct 27, 2015	[email protected] via CZ-CRA-20020906
└ 212.158.136.32/29	8	MEDITRADE	Meditrade,spol.s r.o.	ASSIGNED PA	Jul 30, 2004	[email protected] via CZ-CRA-20020906
└ 212.158.136.48/28	16	BLUETONE	WalkAir customers	ASSIGNED PA	Jul 13, 2004	[email protected] via CZ-CRA-20020906
└ 212.158.136.72/29	8	WILDEN-ENGINEERING	WILDEN ENGINEERING spol. s. r. o.	ASSIGNED PA	May 21, 2004	[email protected] via CZ-CRA-20020906
└ 212.158.136.80/28	16	EXTRANET-PLUS-CZ	EXTRANET	ASSIGNED PA	Apr 29, 2008	[email protected] via CZ-CRA-20020906
└ 212.158.136.96/28	16	BLUETONE	WalkAir customers	ASSIGNED PA	Jul 13, 2004	[email protected] via CZ-CRA-20020906
└ 212.158.136.120/29	8	CENTRUMZDRAVOTNICKYCHSLUZEB	Centrum zdravotnickych sluzeb, s.r.o.	ASSIGNED PA	Jul 7, 2004	[email protected] via CZ-CRA-20020906
└ 212.158.136.216/29	8	FIEGE-CZ	FIEGE s.r.o., Bor	ASSIGNED PA	Nov 19, 2014	[email protected] via CZ-CRA-20020906
└ 212.158.136.240/29	8	TRITON	Triton Pardubice s.r.o.	ASSIGNED PA	Jan 26, 2005	[email protected] via CZ-CRA-20020906

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

Announced by

Origin network

CZ

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
212.158.128.0/19	AS1299	/24	RIPE	Another network
212.158.128.0/19	AS25248	/19	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS25248	RIPE	BlueTone-CRa-CZ	BLUETONE-MNT	Dec 12, 2003