LAYER3 INTEL
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Data as of Nov 13, 2026

91.143.99.0/24

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
└ 91.143.99.32/2816GRAWE-AT-NET-01Grazer Wechselseitige VersicherungASSIGNED PAOct 12, 2016abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.128/298UMJ_MUGSK_SKSTR-AT-NET-01Universalmuseum Joanneum GmbHASSIGNED PAFeb 26, 2025abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.136/298APAAR-AT-NETAnton Paar GmbHASSIGNED PAJul 22, 2008abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.144/298GIGKARASEK-AT-NET-01GKT GmbHASSIGNED PAOct 29, 2026abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.192/2816GRZLIEBENAU_VERM-AT-NET-01Stadion Graz-Liebenau Vermögensverwertungs- und Verwaltungs GmbHASSIGNED PASep 1, 2016abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.208/2816GRZLIEBENAU_VERM-AT-NET-02Stadion Graz-Liebenau Vermögensverwertungs- und Verwaltungs GmbHASSIGNED PASep 1, 2016abuse@grazkom.at
via AT-GSTW-20061031
└ 91.143.99.224/2732GRZLIEBENAU_VERM-AT-NET-03Stadion Graz-Liebenau Vermögensverwertungs- und Verwaltungs GmbHASSIGNED PASep 1, 2016abuse@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
Routing timeline

Who has announced 91.143.96.0/20

91.143.96.0/20

Routing history

Pattern
Stable
First seen
Nov 2006
Current origin since
Nov 2006 · 20 yr
Origin networks
1