65,536 routable1 ASes
/16 subnet
131.113.0.0/16
Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.
65,536
routable addresses
65,536
geolocated
1
country
1
announcing AS
1
announced prefix
143
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- Japan65,536 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS38635Keio University65,536 · 100.00%
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- VPN IP1370.21%
- 0.01%
- None here
- None here
- None here
- None here
- Hosting IP1,5282.33%
- None here
- None here
- None here
- SSH IP3060.47%
- SMTP IP120.02%
- 0.08%
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 131.113.0.0/16 | AS38635Keio University | Japan | not found | 18 | 2026-10-02 |
Every /24 inside it
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01 · License
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