AS21331 OKDN-AS Oslo kommune, Digitaliseringsetaten

OKDN-AS Oslo kommune, Digitaliseringsetaten · registered in Norway

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Norway#19largest network in NO by IPv4 space, of 279 · 0.46% of NO

Rank worldwide#2,855of 79,396 networks with IPv4

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

CountryNorway309 ASNs registered there

Open AS21331 in ASN lookup Look up an IP in this network (171.23.0.1) All networks in Norway

IPv4 prefixes

All 1 prefix, in address order.

171.23.0.0/16

IPv6 prefixes

All 1 prefix.

2a0c:a680::/29

Similar-sized networks in Norway

ASNNameIPv4 addresses

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AS200139#18 STATENS-VEGVESEN Statens Vegvesen66,560

AS28795#20 ELKEM-AS ELKEM AS65,536

AS33976#21 SCH-SE Schibsted Media AS65,536

AS59863#22 NORSKREGNESENTRAL Norsk Regnesentral STI65,536

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