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Data as of Nov 8, 2026

37.143.189.0/24

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
└ 37.143.189.0/298HEIDINGER-AT-NET-01Mag. Thomas Heidinger WP & StB GmbHASSIGNED PAAug 12, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.16/298ENSO-GMBH-AT-NET-01enso GmbHASSIGNED PAAug 25, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.24/298KFZ-ZACH-GMBH-AT-NET-01KFZ Zach GmbHASSIGNED PAAug 24, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.32/298MONIKA_PEHSERL-AT-NET-01Monika PehserlASSIGNED PAAug 31, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.40/298UNIT-GMBH-AT-NET-01uniT GmbHASSIGNED PASep 16, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.56/298COD-GASTRO-AT-NET-01C.O.D. Gastrobetriebs-GmbHASSIGNED PAMay 21, 2024abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.64/298UNISAN-GWH-GMBH-AT-NET-01Unisan Gas-Wasser-Heizung Gesellschaft m.b.H. Nachfolge KGASSIGNED PASep 16, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.72/298MARKENSTOLZ-AT-NET-01Markenstolz OGASSIGNED PASep 30, 2022abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.80/298HERBERSTEINSTR-4-AT-NET-01Herbersteinstraße 4 GmbH & Co KG p.a. I.V.A. Immobilien V. Treuhand GmbHASSIGNED PAMar 5, 2025abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.88/298KLANGKELLEREI-OG-AT-NET-01Klangkellerei OGASSIGNED PASep 21, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.96/298ADP-RINNER-ZT-AT-NET-01ADP Rinner ZT GmbHASSIGNED PAJan 7, 2021abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.104/298NORIS-FEUERSCHUT-AT-NET-01NORIS Feuerschutzgeräte GmbHASSIGNED PAFeb 6, 2024abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.112/298ZENGERER-PLANUNG-AT-NET-01Zengerer Planungs GmbHASSIGNED PASep 23, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.120/298USERBRAIN-GMBH-AT-NET-01Userbrain GmbHASSIGNED PASep 24, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.128/298GAK-WEINZOEDL-AT-NET-01Grazer Athletiksport Klub Fussball Akademie GmbHASSIGNED PAMar 19, 2026abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.136/298WELTHAUS-DIOZ-GR-AT-NET-01Welthaus Diözese Graz-SeckauASSIGNED PAOct 14, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.144/298GRAZER-SCHULSCHW-AT-NET-01Verein für Franziskanische Bildung Verwaltung Graz-EggenbergASSIGNED PASep 27, 2022abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.152/298CARITAS-GEORG-EN-AT-NET-01Caritas der Diözese Graz SeckauASSIGNED PAOct 2, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.168/298BUSZ-GMBH-AT-NET-01Busz GmbHASSIGNED PAJun 13, 2023abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.176/298LRG-WISSENSCHAFT-AT-NET-01Amt der Steiermärkischen Landesregierung A 8 Wissenschaft und GesundheitASSIGNED PADec 20, 2023abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.192/298LIQUID-SPIRIT-AT-NET-01Liquid Spirits GmbHASSIGNED PANov 4, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.208/298BRAUN_RECHTSANW-AT-NET-01Mag. Doris Braun | RechtsanwältinASSIGNED PANov 19, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.216/298PRIMTEC_BURGG-AT-NET-01primtec GmbHASSIGNED PADec 3, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.224/298LZB-BAUSYSTEME-AT-NET-01L.Z.B. Bausysteme GmbHASSIGNED PANov 26, 2020abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.232/298REISTTELENTRY-AT-NET-01Reist Telecom GmbHASSIGNED PAOct 23, 2025abuse@grazkom.at
via AT-GSTW-20120305
└ 37.143.189.248/298ICG-INTEGRATED-AT-NET-01ICG Integrated Consulting Group GmbHASSIGNED PADec 7, 2020abuse@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