AS131932JR East Information Systems Company
JapanRegistryAPNICAt a glance
IPv4 prefixes
71
IPv6 prefixes
0
IPv4 addresses
655k
IPv6 /64s
0
Upstream graph
The networks AS131932 is seen behind, one and two hops out, drawn from real AS paths.
AS131932Toward the internet core
Networks observed one and two hops upstream of AS131932 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.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS2516KDDI Corporation | JP | Peer | 3,531 | 79 |
| AS17676SoftBank Corp. | JP | Peer | 2,110 | 80 |
Prefixes
All 71The largest blocks AS131932 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 157.71.0.0/17 | 32.8k | 80/80 |
| 157.71.128.0/17 | 32.8k | 80/80 |
| 157.72.0.0/17 | 32.8k | 80/80 |
| 157.72.128.0/17 | 32.8k | 80/80 |
| 157.73.0.0/17 | 32.8k | 80/80 |
| 157.73.128.0/17 | 32.8k | 80/80 |
| 157.74.0.0/17 | 32.8k | 80/80 |
| 157.74.128.0/17 | 32.8k | 80/80 |
| 157.75.0.0/17 | 32.8k | 80/80 |
| 157.75.128.0/17 | 32.8k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.