Data as of Nov 10, 2026

217.29.156.0/24

No anonymizer space · no proxy exits in 30 days

Citycom Telekommunikation GmbH

Announcement

RPKI valid

Announced by

Type

Business

Risk

0 / 100 · Low

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
217.29.144.0/20	4,096	AT-GSTW-20030520	Citycom Telekommunikation GmbH (ORG-GSA1-RIPE) · AT	ALLOCATED PA	May 20, 2003	abuse@grazkom.at
└ 217.29.156.64/29	8	SWISSPORT-CARGO-AT-NET-01	Swissport Cargo Services Austria GmbH	ASSIGNED PA	Jun 8, 2015	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.72/29	8	LRG_VOIP-AT-NET-02	Land Steiermark p.A. Amt d. Stmk. Landesregierung Abteilung 2 - Zentrale Dienste	ASSIGNED PA	Oct 29, 2026	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.80/29	8	DELTADIGITAL-AT-NET-01	Delta Digital Friesenbichler & Co.	ASSIGNED PA	Feb 10, 2009	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.128/29	8	UMJ_KUNSTHAUS-AT-LINKNET	Universalmuseum Joanneum GmbH	ASSIGNED PA	Dec 12, 2011	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.136/29	8	MOODLEY-AT-NET-01	moodley strategy & design group gmbh	ASSIGNED PA	Sep 8, 2023	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.144/28	16	EXTHEX-AT-NET-01	Post Business Solutions GmbH	ASSIGNED PA	Sep 1, 2022	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.160/28	16	LEITNER-AT-NET-01	F. Leitner Mineraloele GmbH	ASSIGNED PA	May 6, 2013	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.156.192/28	16	MARTINHUELLER-AT-NET-01	Martin Hueller	ASSIGNED PA	Aug 23, 2010	abuse@grazkom.at via AT-GSTW-20030520

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

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
217.29.144.0/20	AS29056	/24	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS29056	RIPE	Citycom Telekommunikation GmbH	CITYCOM-AT-MNT	Feb 5, 2026