SUBNET.IM

AS63783Chiba University of Commerce

JapanRegistryAPNIC

At a glance

IPv4 prefixes

7

IPv6 prefixes

0

IPv4 addresses

6.1k

IPv6 /64s

0

Upstream graph

The networks AS63783 is seen behind, one and two hops out, drawn from real AS paths.

AS63783Toward the internet core
Upstream graph for AS63783: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS63783Chiba University …This networkAS2500WIDE ProjectAS2907Science Informati…AS2914NTT America, Inc.AS17676SoftBank Corp.AS2497Internet Initiati…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS63783 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 AS63783
NetworkCountryRelationshipPathsVantage pts
AS2907Science Information NetworkJPPeer39180
AS2500WIDE ProjectJPPeer16080

Prefixes

The largest blocks AS63783 originates, widest first.

Largest prefixes originated by AS63783
PrefixAddressesVisibility
202.244.32.0/212k79/80
202.244.32.0/221k80/80
202.244.36.0/221k80/80
202.244.32.0/2351278/80
202.244.34.0/2351278/80
202.244.36.0/2351278/80
202.244.38.0/2351278/80

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