AS12311 IAEA International Atomic Energy Agency

IAEA International Atomic Energy Agency · registered in Austria

IPv4 addresses65,5369 prefixes · 0.002% of announced IPv4

Rank in Austria#34largest network in AT by IPv4 space, of 619 · 0.63% of AT

Rank worldwide#3,142of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustria646 ASNs registered there

Open AS12311 in ASN lookup Look up an IP in this network (130.0.70.1) All networks in Austria

IPv4 prefixes

All 9 prefixes, in address order.

130.0.70.0/24
161.5.0.0/19
161.5.33.0/24
161.5.34.0/23
161.5.36.0/22
161.5.40.0/21
161.5.48.0/20
161.5.64.0/18
161.5.128.0/17

Similar-sized networks in Austria

ASNNameIPv4 addresses

AS1114#31 UNSPECIFIED - IDDQD-AS65,536

AS1776#32 WU (Wirtschaftsuniversitaet Wien) - Vienna University of Economics and Business65,536

AS2036#33 JOANNEUM - Joanneum Research Forschungsgesellschaft mbH65,536

AS42114#35 VNWT-AS PG Austria GmbH65,536

AS199083#36 MP-AS Mediaprint Zeitungs- und Zeitschrifftenverlag Ges.m.b.H. & Co KG65,536

AS211817#37 WSR Wirtschafts- und Sozialwissenschaftliches Rechenzentrum65,536

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