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AS15991Swedish Tax Agency

SwedenRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

65.5k

IPv6 /64s

4.3B

Upstream graph

The networks AS15991 is seen behind, one and two hops out, drawn from real AS paths.

AS15991Toward the internet core
Upstream graph for AS15991: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS15991Swedish Tax AgencyThis networkAS1257Tele2 Sverige ABAS3301Telia Company ABAS2914NTT America, Inc.AS1299Arelion (fka. Tel…AS12552GlobalConnect (IP…

Networks observed one and two hops upstream of AS15991 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS15991
NetworkCountryRelationshipPathsVantage pts
AS1257Tele2 Sverige ABEUPeer8383
AS3301Telia Company ABSEPeer5959

Prefixes

The largest blocks AS15991 originates, widest first.

Largest prefixes originated by AS15991
PrefixAddressesVisibility
137.61.0.0/1665.5k80/80
2a03:b100::/324.3B × /6462/62

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.