Toyo University
AS18087 is Toyo University. It announces 65,536 IPv4 addresses in 4 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2001-12-27· 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.
- Japan65,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TOYO
- name
- Toyo University
- country
- JP
- source
- jpnic
- updated
- 2017-02-16
- descr
- Toyo University
- admin
- MT1711JP
- tech
- HS763JP|MT1711JP|YF433JP
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.
- 0.01%
- rainproxy, smartproxy0.00%
- None here
- None here
- None here
- None here
- Hosting IP5120.78%
- None here
- None here
- None here
- SSH IP140.02%
- 0.00%
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 133.79.0.0/16 | Japan | not found | 17 | 2026-10-02 |
| 133.79.0.0/17 | Japan | not found | 19 | 2026-10-02 |
| 133.79.128.0/17 | Japan | not found | 19 | 2026-10-02 |
| 133.79.192.0/20 | Japan | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:df7:5600::/48 | Japan | not found | 20 | 2026-10-02 |
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