Institute of Science Tokyo
AS9367 is Institute of Science Tokyo. It announces 65,536 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 1998-08-17· business
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
- ISCT
- name
- Institute of Science Tokyo
- country
- JP
- source
- jpnic
- updated
- 2024-12-07
- descr
- Institute of Science Tokyo
- admin
- JP00095425
- tech
- JP00095425
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 IP2060.31%
- proxyseller, geonix, ipfoxy0.02%
- None here
- None here
- None here
- None here
- Hosting IP3,0724.69%
- None here
- None here
- None here
- SSH IP1810.28%
- 0.00%
- 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 |
|---|---|---|---|---|
| 131.112.0.0/16 | Japan | not found | 19 | 2026-10-02 |
| 131.112.254.0/24 | Japan | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2403:4440::/32 | Japan | not found | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.