SUBNET.IM

AS131912Cybozu,Inc.

JapanRegistryAPNIC

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

1.3k

IPv6 /64s

4.3B

Upstream graph

The networks AS131912 is seen behind, one and two hops out, drawn from real AS paths.

AS131912Toward the internet core
Upstream graph for AS131912: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS131912Cybozu,Inc.This networkAS2497Internet Initiati…AS2518BIGLOBE Inc.AS17676SoftBank Corp.AS174Cogent Communicat…AS1299Arelion (fka. Tel…AS2516KDDI CorporationAS2914NTT America, Inc.

Networks observed one and two hops upstream of AS131912 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
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS131912
NetworkCountryRelationshipPathsVantage pts
AS2497Internet Initiative Japan Inc.JPPeer13682
AS2518BIGLOBE Inc.JPPeer8160
AS17676SoftBank Corp.JPPeer32

Prefixes

The largest blocks AS131912 originates, widest first.

Largest prefixes originated by AS131912
PrefixAddressesVisibility
103.79.12.0/221k79/80
202.253.115.0/2425679/80
2407:d440::/324.3B × /6462/62

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