Keio University
AS38635 is Keio University. It announces 131,072 IPv4 addresses in 2 prefixes, and 2 IPv6 prefixes.
Japan· APNIC· allocated 2007-08-20· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan131,072 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- KEIO-NET
- name
- Keio University
- country
- JP
- source
- jpnic
- updated
- 2012-03-11
- descr
- Keio University
- admin
- JP00034742
- tech
- SH567JP|TH985JP|TO13574JP|TY11794JP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP1510.12%
- anyip, flexyproxies, geonix0.01%
- None here
- None here
- None here
- None here
- Hosting IP8,4486.45%
- None here
- None here
- None here
- SSH IP5010.38%
- SMTP IP160.01%
- 0.05%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 131.113.0.0/16 | Japan | not found | 19 | 2026-10-02 |
| 133.27.0.0/16 | Japan | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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