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Data as of Nov 8, 2026

37.143.178.0/24

No anonymizer space · no proxy exits in 30 days

Citycom Telekommunikation GmbH

Announcement
37.143.176.0/20
RPKI valid
Announced by
AS29056
Type
Business
Risk
0 / 100 · Low

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.143.176.0/204,096AT-GSTW-20120305Citycom Telekommunikation GmbH (ORG-GSA1-RIPE) · ATALLOCATED PAMar 5, 2012abuse@grazkom.at
└ 37.143.178.0/2816KNAPP-LEOBEN-AT-NET-01Knapp AGASSIGNED PAFeb 13, 2023abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.16/298SPORTPARK_HUETTE-AT-NET-01Sportpark Graz Hüttenbrennergasse GmbHASSIGNED PADec 5, 2018abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.24/298CC_INT_LAB-AT-NET-01Citycom Telekommunikation GmbHASSIGNED PADec 12, 2018abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.32/298ZUSER-PEGGAU-AT-NET-01Zuser Ressourcenmanagement GmbHASSIGNED PAFeb 27, 2023abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.40/298NORIS-FEUER-WIEN-AT-NET-01NORIS Feuerschutzgeräte GmbHASSIGNED PAJul 21, 2021abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.48/298FEICHTINGER-AT-NET-01Feichtinger Schmuckhandels GmbHASSIGNED PASep 2, 2024abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.56/298NEUROTH-AT-NET-01Neuroth International AGASSIGNED PADec 11, 2025abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.64/298VOIP_FGT-CLUSTER-AT-NET-01Citycom Telekommunikation GmbHASSIGNED PAFeb 12, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.80/298KNAPP_HBG-AT-NET-01Knapp AGASSIGNED PAFeb 18, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.88/298IDEENTRIEBWERK-AT-NET-01IdeenTriebwerk Graz. Verein zur Förderung von UnternehmertumASSIGNED PAFeb 21, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.104/298PAX-BESTATUNG-AT-NET-01PAX Bestattungs- und Grabstättenfachbetrieb GmbHASSIGNED PAOct 17, 2024abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.112/298DYNATRACE-AT-NET-01Dynatrace Austria GmbHASSIGNED PAMar 13, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.144/298ONLINECARS_1-AT-NET-03Onlinecars Vertriebs GmbHASSIGNED PAMar 21, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.152/298DIFACTURO-AT-NET-01difacturo GmbHASSIGNED PAMar 25, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.160/298LN-CONSULT-AT-NET-02LN Consult GmbHASSIGNED PAMar 26, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.168/298THEATERSERVICE_2-AT-NET-01Theaterservice Graz GmbHASSIGNED PAMay 27, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.176/2816LABENE_VM-SERVER-AT-NET-01LABENE Medizin-Software GmbHASSIGNED PAJan 22, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.192/298HUBNER-ALLITSCH-AT-NET-01Wirtschaftstreuhänder Hubner & Allitsch SteuerberatungsgmbH & Co KGASSIGNED PAJul 14, 2021abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.200/298LRG-A11-AT-NET-01Land Steiermark p.A. Amt d. Stmk. Landesregierung Abteilung 11 - SozialesASSIGNED PAOct 23, 2026abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.208/298LTE-AT-GROUP-AT-NET-01LTE-Austria GroupASSIGNED PAFeb 26, 2025abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.216/298PRIME-SOFT_SALZB-AT-NET-01Prime Software GmbHASSIGNED PAOct 24, 2019abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.240/298cctest2-AT-NET-01Citycom Telekommunikation GmbHASSIGNED PAFeb 26, 2026abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.178.248/298S285GMBH-AT-NET-01S 285 GmbHASSIGNED PAOct 24, 2024abuse@grazkom.at
via AT-GSTW-20120305

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 37.143.176.0/20

Prefix
37.143.176.0/20
Announced by
AS29056 Citycom Telekommunikation GmbH
Type
Business
RPKI
RPKI valid
Netname
AT-GSTW-20120305
Registrant
Citycom Telekommunikation GmbH
RIR
RIPE NCC
Origin network

AS29056

AT
Name
Citycom Telekommunikation GmbH
Type
Internet provider
Registered
May 21, 2003
Domain
citycom-austria.com
Website
www.citycom-austria.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed