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How Austria ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Austria over time.
The largest autonomous systems registered to Austria by IPv4 footprint.
Austria against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
760 autonomous systems registered to Austria. Click an AS for detail.
| AS12605AT | LIWEST-AT LIWEST Kabelmedien GmbH | 255K | 10 |
| AS8445AT | SALZBURG-AG-AS SALZBURG AG fur Energie, Verkehr und Telekommunikation | 250.4K | 39 |
| AS8339AT | KABSI-AS kabelplus GmbH | 244.2K | 30 |
| AS8245AT | VIDEOBROADCAST-AS Video-Broadcast GmbH | 138.2K | 29 |
| AS679AT | TUNET-AS Technische Universitat Wien | 132.1K | 2 |
| 256 |
| — |
| 1 |
| AS214649AT | NETCAT NetCaT GmbH | 256 | 1 | 2 |
| AS1115AT | UNSPECIFIED - IDDQD-AS | 256 | — | 1 |
| AS214076AT | ECKER Michael Ecker | 256 | 3 | 4 |
| AS197198AT | OFFSET-AT-AS VBG Immo GmbH | 256 | — | 1 |
| AS199754AT | PFEFFER-AS Adrian Pfeffer trading as DUKLANA IT e.U. | 256 | 1 | 2 |
| AS38977AT | SILHOUETTE-AS Silhouette International Schmied AG | 256 | — | 1 |
| AS47593AT | TTTECH-AS TTTech Computertechnik AG | 256 | — | 1 |
| AS211864AT | NESSUS-RESIDENTIAL Nessus GmbH | 256 | 1 | 2 |
| AS48384AT | SML SML Maschinengesellschaft mbH | 256 | — | 1 |
| AS200247AT | Laakirchen-Papier-AG Laakirchen Papier AG | 256 | — | 1 |
| AS202928AT | Z-IX-AS Armin Fisslthaler | 256 | 1 | 2 |
| AS29330AT | ISP-NETWORK Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | 256 | 1 | 2 |
| AS34883AT | FH-JOANNEUM FH JOANNEUM Gesellschaft mbH | 256 | 1 | 2 |
| AS15939AT | DELOITTEAT-AS Deloitte Services Wirtschaftsprufungs GmbH | 256 | — | 1 |
| AS204441AT | GETZNER-AS Getzner Textil Aktiengesellschaft | 256 | — | 1 |
| AS207868AT | HENNLICH Hennlich GmbH & Co KG | 256 | — | 1 |
| AS25012AT | ASN-EUI WienIT GmbH | 256 | — | 1 |
| AS25268AT | CARGOPARTNER-AS cargo-partner GmbH | 256 | — | 1 |
| AS42378AT | RTR-AS Rundfunk und Telekom Regulierungs-GmbH | 256 | 2 | 3 |
| AS207274AT | Ectrading-AS Epsilon Commodity Trading GmbH | 256 | — | 1 |
| AS34885AT | EDSBG-AS Erzdioezese Salzburg | 256 | — | 1 |
| AS31702AT | GRECO-INTERNATIONAL-AS GrECo International Holding AG | 256 | — | 1 |
| AS198917AT | Flughafen-Linz-GesmbH-AS Flughafen Linz GesmbH | 256 | — | 1 |
| AS211478AT | SCHNEEBERGER Schneeberger GmbH | 256 | — | 1 |
| AS25761AT | FIFTYFIVE-AS 55 IT Services GmbH | 256 | 1 | 2 |
| AS31146AT | EBNER-AS Ebner Industrieofenbau Ges.m.b.H. | 256 | — | 1 |
| AS209637AT | VNET-AS vnet-services GmbH | 256 | — | 1 |
| AS24777AT | CTBTO-AS Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization | 256 | — | 1 |
| AS206148AT | FNPROFILE-AS Neuhofer Holz GmbH | 256 | — | 1 |
| AS51413AT | WK-KAERNTEN Wirtschaftskammer Kaernten | 256 | 1 | 2 |
| AS212379AT | CrefoNET Crefo Technology GmbH | 256 | 1 | 2 |
| AS206734AT | Cloudprovide Sebastian Buchmann | 256 | 1 | 2 |
| AS197740AT | AT-MANUELMUEHLE-20260505 Manuel Muehlecker | 256 | 17 | 3 |
| AS198606AT | AMST AMST-Systemtechnik GmbH | 256 | — | 1 |
| AS49660AT | FHCAMPUS-AS FH Campus Wien | 256 | — | 1 |
| AS200384AT | GSZ KELAG-Karntner Elektrizitats - Aktiengesellschaft | 256 | — | 1 |
| AS209575AT | IMMOFINANZAG-AS Immofinanz AG | 256 | — | 1 |
| AS51350AT | TECHNIKUM-WIEN-AS Fachhochschule Technikum Wien | 256 | 1 | 2 |
| AS60521AT | SUPERFUND-ASSET-MANAGEMENT-GMBH Superfund Asset Management GmbH | 256 | — | 1 |
| AS35317AT | TEICH-AS Constantia Teich GmbH | 256 | — | 1 |
| AS209812AT | DESPAR-AS Spar Business Services GmbH | 256 | — | 1 |
| AS3201AT | UMDASCH-AS Umdasch Group AG | 256 | — | 1 |
| AS215422AT | ADSD Stadt Dornbirn | 256 | — | 1 |
| AS25126AT | TIWAG-GROUP-NET-AS TIWAG-Tiroler Wasserkraft AG | 256 | 1 | 2 |
| AS50700AT | EWG-AS Elektrizitaetswerk Goesting V. Franz GmbH | 256 | — | 1 |
| AS219198AT | OMC-AT open mind consulting gmbh | 256 | 1 | 2 |