SUBNET.IM

AS131159Yamagata University

JapanRegistryAPNIC

At a glance

IPv4 prefixes

6

IPv6 prefixes

1

IPv4 addresses

123k

IPv6 /64s

65.5k

Upstream graph

The networks AS131159 is seen behind, one and two hops out, drawn from real AS paths.

AS131159Toward the internet core
Upstream graph for AS131159: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS131159Yamagata Universi…This networkAS2907Science Informati…AS150369TelHi CorporationAS2497Internet Initiati…AS6939Hurricane Electri…AS174Cogent Communicat…AS9607BroadBand Tower, …

Networks observed one and two hops upstream of AS131159 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

6

adjacent networks

Upstreams
233%
Peers
467%
Downstreams
00%

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

Upstreams of AS131159
NetworkCountryRelationshipPathsVantage pts
AS2907Science Information NetworkJPPeer455118
AS150369TelHi CorporationJPPeer8252

Prefixes

The largest blocks AS131159 originates, widest first.

Largest prefixes originated by AS131159
PrefixAddressesVisibility
133.24.0.0/1665.5k79/80
133.24.0.0/1816.4k79/80
133.24.64.0/1816.4k80/80
133.24.128.0/1816.4k79/80
133.24.192.0/198.2k79/80
133.24.248.0/2351280/80
2001:df0:25e::/4865.5k × /6461/62

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