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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.
756 autonomous systems registered to Austria. Click an AS for detail.
| AS12605AT | LIWEST-AT LIWEST Kabelmedien GmbH | 255K | 10 |
| AS8339AT | KABSI-AS kabelplus GmbH | 244.5K | 31 |
| AS8445AT | SALZBURG-AG-AS SALZBURG AG fur Energie, Verkehr und Telekommunikation | 242.2K | 38 |
| AS8245AT | VIDEOBROADCAST-AS Video-Broadcast GmbH | 138.2K | 29 |
| AS679AT | TUNET-AS Technische Universitat Wien | 132.1K | 2 |
| — |
| 1 |
| AS210635AT | GRASSIT GRASS GmbH | 256 | — | 1 |
| AS24777AT | CTBTO-AS Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization | 256 | — | 1 |
| AS50721AT | SKNETWORX-AS Koller Sebastian Karl | 256 | — | 1 |
| AS43365AT | RCB-AT-AS Raiffeisen Digital Bank AG | 256 | — | 1 |
| AS56424AT | TYROLIT-AT-AS Tyrolit - Schleifmittelwerke Swarovski K.G. | 256 | — | 1 |
| AS200112AT | DABIS-AT-AS DABIS GmbH | 256 | — | 1 |
| AS197198AT | OFFSET-AT-AS VBG Immo GmbH | 256 | — | 1 |
| AS28848AT | UNIDO-AS United Nations Industrial Development Organization | 256 | 2 | 3 |
| AS48856AT | SILHOUETTE-AS2 Silhouette International Schmied AG | 256 | — | 1 |
| AS39564AT | KERNNETZ-ANYCAST Kernnetz Invent GmbH | 256 | — | 1 |
| AS62385AT | BERTSCH-AS Bertsch Holding GmbH | 256 | — | 1 |
| AS213181AT | CEU CEU GmbH | 256 | — | 1 |
| AS31702AT | GRECO-INTERNATIONAL-AS GrECo International Holding AG | 256 | — | 1 |
| AS215422AT | ADSD Stadt Dornbirn | 256 | — | 1 |
| AS16051AT | NET-PRO-AS Net Professionals GmbH | 256 | — | 1 |
| AS1115AT | UNSPECIFIED - IDDQD-AS | 256 | — | 1 |
| AS31095AT | SPARIGT-AS Spar Business Services GmbH | 256 | — | 1 |
| AS203358AT | INCOS-Stueckler Guenther Stueckler | 256 | 524.3K | 2 |
| AS50876AT | KOPERNIKUS-AS Kopernikus IT Systems GmbH | 256 | — | 1 |
| AS212702AT | amag-as Austria Metall GmbH | 256 | — | 1 |
| AS48384AT | SML SML Maschinengesellschaft mbH | 256 | — | 1 |
| AS60521AT | SUPERFUND-ASSET-MANAGEMENT-GMBH Superfund Asset Management GmbH | 256 | — | 1 |
| AS3201AT | UMDASCH-AS Umdasch Group AG | 256 | — | 1 |
| AS35317AT | TEICH-AS Constantia Teich GmbH | 256 | — | 1 |
| AS201108AT | OMICRON-ATKLA OMICRON electronics GmbH | 256 | — | 1 |
| AS200247AT | Laakirchen-Papier-AG Laakirchen Papier AG | 256 | — | 1 |
| AS29330AT | ISP-NETWORK Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | 256 | 1 | 2 |
| AS205902AT | ALUKOENIG Alu Koenig Stahl GmbH | 256 | — | 1 |
| AS201459AT | CCC-AS Andrea Illsinger | 256 | — | 1 |
| AS204162AT | CTS-AS CTS GMBH | 256 | 1 | 2 |
| AS61201AT | HTBLA-KLU-AS Hohere technische Bundeslehranstalt Klagenfurt | 256 | 1 | 2 |
| AS34964AT | RIPE-AT-AS Ripe-NetWorks e.U. | 256 | 1 | 2 |
| AS44753AT | BACHER-AS Bacher Systems EDV GmbH | 256 | 1 | 2 |
| AS41921AT | BR-AUTOMATION-AS B&R Industrial Automation GmbH | 256 | — | 1 |
| AS47592AT | ACNETWORKS-AS AZISTA GmbH | 512 | — | 1 |
| AS16049AT | CPB-Software (Austria) GmbH | 512 | — | 2 |
| AS201470AT | CITYNET-AT-2-AS HALLAG Kommunal GmbH | 512 | 65.5K | 2 |
| AS35646AT | GRAWE-AS Grazer Wechselseitige Versicherung AG | 512 | — | 2 |
| AS41905AT | Phorus-AS oja.at GmbH | 512 | — | 1 |
| AS208778AT | ASELIN ELIN GmbH | 512 | — | 2 |
| AS40982AT | ZEITUNGSPROJEKT-AT-AS Mediengruppe "Oesterreich" GmbH | 512 | — | 1 |
| AS25089AT | GREINER-AS Greiner AG | 512 | — | 2 |
| AS48984AT | STLRG Amt der Steiermaerkischen Landesregierung | 512 | — | 2 |
| AS29429AT | ALLIANZAT-AS Allianz Elementar Versicherungs AG | 512 | — | 1 |
| AS13068AT | WBAG-AT Wiener Borse AG | 512 | — | 2 |
| AS44329AT | NTS-AS NTS Netzwerk Telekom Service AG | 512 | 1 | 3 |