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Data as of Nov 7, 2026

91.143.107.0/24

No anonymizer space · no proxy exits in 30 days

Citycom Telekommunikation GmbH

Announcement
91.143.96.0/20
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
91.143.96.0/204,096AT-GSTW-20061031Citycom Telekommunikation GmbH (ORG-GSA1-RIPE) · ATALLOCATED PAOct 31, 2006abuse@grazkom.at
└ 91.143.107.0/2732PARAGRAPH-AT-NET-03Paragraph-Software GmbHASSIGNED PAFeb 16, 2009abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.32/2732QUADRATIC-AT-NET-03quadratic GmbHASSIGNED PAOct 16, 2017abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.64/298RIEGLER_RIEWE-AT-NET-01Riegler Riewe Architekten ZT Ges.m.b.H.ASSIGNED PAOct 13, 2009abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.72/298CITYCIMMOMO-AT-NET-01City Immobilien Invest GmbHASSIGNED PAOct 16, 2025abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.80/2816GRINTEC-AT-NET-01GRINTEC GmbHASSIGNED PAFeb 23, 2023abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.128/2732KOVAC_MANAGEMENT-AT-NET-01SEIFENFABRIK VERANSTALTUNGSZENTRUM GmbH & Co KGASSIGNED PASep 8, 2020abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.176/2816DIESTEIRERIN-AT-NET-01Die SteirerinASSIGNED PAJul 30, 2012abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.192/298GIGKARASEK-AT-NET-02GIG Karasek GmbHASSIGNED PAMar 7, 2013abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.208/298OEWGES_MARIENHOFGASSE1-AT-NET-01ÖWGES Gemeinnützige WohnbaugesmbHASSIGNED PAMar 19, 2015abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.107.216/298REIST-NET-01-AT-NET-01Reist Telecom GmbHASSIGNED PANov 7, 2025abuse@grazkom.at
via AT-GSTW-20061031

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 91.143.96.0/20

Prefix
91.143.96.0/20
Announced by
AS29056 Citycom Telekommunikation GmbH
Type
Business
Proxy exits
1
RPKI
RPKI valid
Netname
AT-GSTW-20061031
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