Data as of Nov 10, 2026

217.29.147.0/24

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
└ 217.29.147.16/29	8	EGG_SCHOEG-AT-NET-01	Energie Graz GmbH - MMS/IT	ASSIGNED PA	Oct 21, 2024	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.32/27	32	HANSA-PRIVKLINIK-AT-NET-01	Hansa Privatklinikum Graz GmbH	ASSIGNED PA	Mar 8, 2024	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.64/27	32	CITYCOM-TEST-INT-AT-NET-01	Citycom Telekommunikation GmbH	ASSIGNED PA	Nov 21, 2017	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.128/29	8	BEARINGPOINT-AT-NET-01	BearingPoint GmbH	ASSIGNED PA	Sep 2, 2020	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.160/27	32	MARTINHUELLER-AT-NET-02	Martin Hueller	ASSIGNED PA	Nov 25, 2010	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.192/29	8	EURO_FREMDSPR-AT-NET-01	European Centre for Modern Language	ASSIGNED PA	Sep 27, 2022	abuse@grazkom.at via AT-GSTW-20030520
└ 217.29.147.224/28	16	BARTELT-AT-NET-01	BARTELT GmbH	ASSIGNED PA	Mar 8, 2016	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