AS204099 i4a i4a GmbH

i4a i4a GmbH · registered in Austria

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Austria#221largest network in AT by IPv4 space, of 619 · 0.01% of AT

Rank worldwide#25,698of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryAustria646 ASNs registered there

Open AS204099 in ASN lookup Look up an IP in this network (185.29.90.1) All networks in Austria

IPv4 prefixes

All 2 prefixes, in address order.

185.29.90.0/23
185.222.44.0/22

IPv6 prefixes

All 1 prefix.

2a0c:7800::/29

Similar-sized networks in Austria

ASNNameIPv4 addresses

AS208245#218 BECHTLE-AT Bechtle Austria GmbH1,536

AS199216#219 COMPASS-AS Compass-Verlag GmbH1,536

AS42858#220 WeTi-AS Limberger Handelsgesellschaft m.b.H.1,536

AS212131#222 ASPSMEDIA PSMEDIA LTD&CoKG1,536

AS59779#223 IXOLIT-AS IXOPAY GmbH1,536

AS47147#224 AS-ANX Anexia Cloud Solutions GmbH1,536

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