AS34347 — CITYNET-AT-AS

Network type: residential

AS34347 announces 8 IPv4 prefixes covering 12,288 addresses and 1 IPv6 prefixes.

About this network

The AS handle CITYNET-AT-AS is held by HALLAG Kommunal GmbH.

What it's used for

• The address space carries residential broadband access, evidenced by the reverse DNS record cn18535182254.surfer.citynet.at and netnames such as Citynet-Network4 and CNH-PI.
• The AS announces 12,288 IPv4 addresses across 8 prefixes and 1 IPv6 prefix, while maintaining 178 observed neighbours. This high neighbour count relative to the address inventory indicates a regional access provider rather than a transit carrier.

Notable

• All registrants in the evidence pack are consistent with the announcer, listing HALLAG Kommunal GmbH for every prefix, including AT-CNH-20050623 and AT-CNH-20190124.
• HALLAG Kommunal GmbH is a subsidiary of HALL AG, a major Austrian utility and infrastructure company based in Hall in Tyrol.
• The inventory consists of eight IPv4 blocks ranging from /20 to /23 sizes, alongside a single /32 IPv6 prefix, reflecting a segmented regional footprint.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 80.92.112.0/20
• 152.89.72.0/22
• 156.67.192.0/21
• 185.35.180.0/22
• 185.88.200.0/23
• 185.176.156.0/23
• 185.203.212.0/22
• 195.149.216.0/21
• 2a02:28e8::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS2914 NTT America, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS174 Cogent Communications, LLC
• AS9002 RETN Limited
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS50673 Serverius Holding B.V.
• AS212024 Marc Schmitt
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS48185 team.blue NV
• AS1836 green.ch AG
• AS49432 Dominic Schallert trading as schallert.com e.U.
• AS20766 Association "Gitoyen"
• AS34927 iFog GmbH
• AS15935 ha-vel internet s.r.o.
• AS20485 Joint Stock Company TransTeleCom
• AS59919 Brainbox S.r.l.
• AS3741 Dimension Data

Downstream networks

• AS203059 Consorzio Energetico Val Venosta Soc. Coop.
• AS57469 Azienda Pubbliservizi Brunico
• AS200026 Ortswaerme St. Johann in Tirol GmbH
• AS61109 Stadtgemeinde/Stadtwerke Imst
• AS200727 Kommunalbetriebe Rinn GmbH
• AS34694 Stadtwerke Woergl GmbH
• AS21406 DSW Kristall AG & Co KG
• AS206004 Dolomitinet srl
• AS202516 web-crossing GmbH
• AS206672 Logifuture Austria GmbH
• AS196913 AXIANS ICT Austria GmbH
• AS201470 HALLAG Kommunal GmbH
• AS12447 Ernst Klingler Kabelfernsehen Gmbh

Adjacent networks

• AS203059 Consorzio Energetico Val Venosta Soc. Coop.
• AS57469 Azienda Pubbliservizi Brunico
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS50304 Blix Solutions AS
• AS9002 RETN Limited
• AS200026 Ortswaerme St. Johann in Tirol GmbH
• AS34549 meerfarbig GmbH & Co. KG
• AS61109 Stadtgemeinde/Stadtwerke Imst
• AS49432 Dominic Schallert trading as schallert.com e.U.
• AS50300 CustodianDC Limited
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS200727 Kommunalbetriebe Rinn GmbH
• AS1836 green.ch AG
• AS17639 Converge ICT Solutions Inc.
• AS34694 Stadtwerke Woergl GmbH
• AS37100 SEACOM Limited
• AS21406 DSW Kristall AG & Co KG
• AS3741 Dimension Data
• AS174 Cogent Communications, LLC
• AS206004 Dolomitinet srl
• AS202516 web-crossing GmbH
• AS206672 Logifuture Austria GmbH

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• Milan Internet Exchange — Milan, Italy
• SwissIX — Zurich, Switzerland
• Vienna Internet Exchange — Vienna, Austria
• Rheintal Internet Exchange — Eschen, Liechtenstein
• Tirol-IX — Innsbruck, Austria