AS39478 ASFINAG ASFINAG

ASFINAG ASFINAG · registered in Austria

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Austria#134largest network in AT by IPv4 space, of 619 · 0.04% of AT

Rank worldwide#16,060of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustria646 ASNs registered there

Open AS39478 in ASN lookup Look up an IP in this network (81.25.208.1) All networks in Austria

IPv4 prefixes

All 1 prefix, in address order.

81.25.208.0/20

Similar-sized networks in Austria

ASNNameIPv4 addresses

AS16314#131 WIENKAV Magistrat der Stadt Wien, Magistratsabteilung 014,096

AS29143#132 MAGAZ-AS Magistrat Graz4,096

AS29161#133 VERBUNDAT-AS VERBUND Services GmbH4,096

AS44832#135 Alpha-AT-AS AlphaPhone Telekommunikations GmbH4,096

AS49335#136 KABELSPEED Josef Nopp GmbH4,096

AS42572#137 ABATON-AS abaton EDV-Dienstleistungs GmbH3,840

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources