AS15991 Swedish_Tax_Agency Swedish Tax Agency

Swedish_Tax_Agency Swedish Tax Agency · registered in Sweden

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Sweden#30largest network in SE by IPv4 space, of 621 · 0.37% of SE

Rank worldwide#2,882of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountrySweden650 ASNs registered there

Open AS15991 in ASN lookup Look up an IP in this network (137.61.0.1) All networks in Sweden

IPv4 prefixes

All 1 prefix, in address order.

137.61.0.0/16

IPv6 prefixes

All 1 prefix.

2a03:b100::/32

Similar-sized networks in Sweden

ASNNameIPv4 addresses

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AS2833#28 SUNET-UMU Umea University65,792

AS59807#29 SWEDBANK-AS Swedbank AB65,792

AS2799#31 Polismyndigheten65,536

AS43922#32 MALMO City of Malmo65,536

AS2831#33 LTUNet Lulea Tekniska Universitet65,536

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