AS9591
National Institute for Fusion Science
AS9591 is National Institute for Fusion Science. It announces 65,536 IPv4 addresses in 2 prefixes, and 0 IPv6 prefixes.
Japan· APNIC· allocated 1999-08-05· business
65,536
IPv4 addresses announced
2
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
65,536
of its IPv4 geolocated
1
country
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
- NIFSNET
- name
- National Institute for Fusion Science
- country
- JP
- source
- apnic
- updated
- 2024-10-23
- descr
- National Institute for Fusion Science / 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
- remarks
- Email address for spam or abuse complaints : net-wg@nifs.ac.jp
- maintainer
- MAINT-JPNIC
- maintainer email
- hostmaster@nic.ad.jp
- abuse email
- hostmaster@nic.ad.jp
- abuse phone
- +81-3-5297-2311
- abuse kind
- irt
- admin
- JNIC1-AP
- admin name
- Japan Network Information Center
- admin email
- hostmaster@nic.ad.jp
- admin phone
- +81-3-5297-2312
- admin kind
- role
- admin country
- JP
- tech
- JNIC1-AP
- tech name
- Japan Network Information Center
- tech email
- hostmaster@nic.ad.jp
- tech phone
- +81-3-5297-2312
- tech kind
- role
- tech country
- JP
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
- None here
- 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 |
|---|---|---|---|---|
| 133.75.0.0/16 | Japan | valid | 19 | 2026-10-02 |
| 133.75.232.0/24 | Japan | valid | 19 | 2026-10-02 |
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