SUBNET.IM

AS131945Sanntuu Corporation

JapanRegistryAPNIC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS131945 is seen behind, one and two hops out, drawn from real AS paths.

AS131945Toward the internet core
Upstream graph for AS131945: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS131945Sanntuu Corporati…This networkAS2519ARTERIA Networks …AS10010TOKAI Communicati…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)AS2497Internet Initiati…AS4637Telstra Internati…

Networks observed one and two hops upstream of AS131945 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 AS131945
NetworkCountryRelationshipPathsVantage pts
AS2519ARTERIA Networks CorporationJPPeer6565
AS10010TOKAI Communications CorporationJPPeer1515

Prefixes

The largest blocks AS131945 originates, widest first.

Largest prefixes originated by AS131945
PrefixAddressesVisibility
103.137.240.0/221k80/80

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