AS212500 surfnet Surfnett AS

surfnet Surfnett AS · registered in Norway

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Norway#212largest network in NO by IPv4 space, of 279 · <0.01% of NO

Rank worldwide#46,327of 79,396 networks with IPv4

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

CountryNorway309 ASNs registered there

Open AS212500 in ASN lookup Look up an IP in this network (45.152.50.1) All networks in Norway

IPv4 prefixes

All 1 prefix, in address order.

45.152.50.0/23

IPv6 prefixes

All 1 prefix.

2a14:9c80::/29

Similar-sized networks in Norway

ASNNameIPv4 addresses

AS209980#209 Marlink-EU-OMNIACCESS Marlink AS768

AS214659#210 nscale-no-public Nscale Glomfjord AS768

AS204224#211 HEIMNETT-AS Heimnett AS512

AS213957#213 LILLESTROM-KOMMUNE LILLESTROM KOMMUNE ORGANISASJON OG NYSKAPING512

AS212514#214 SPANNINGNETWORKS-AS SpanningNetworks AS512

AS212064#215 TOLL-NO Tolletaten ORGL512

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