AS25072 IRF-AS Institutet for Rymdfysik

IRF-AS Institutet for Rymdfysik · registered in Sweden

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Sweden#426largest network in SE by IPv4 space, of 621 · <0.01% of SE

Rank worldwide#50,481of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySweden650 ASNs registered there

Open AS25072 in ASN lookup Look up an IP in this network (192.71.13.1) All networks in Sweden

IPv4 prefixes

All 2 prefixes, in address order.

192.71.13.0/24
192.71.152.0/24

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AS39731#428 AXIS-AS Axis Communications AB512

AS41992#429 SI2 Si2 Datakonsult HB512

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