National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
AS63777 is National Institutes of Natural Sciences National Astronomical Observatory of JAPAN. It announces 65,536 IPv4 addresses in 1 prefixes, and 0 IPv6 prefixes.
Japan· APNIC· allocated 2014-08-25· isp
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
- STARCLUSTER
- name
- National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
- country
- JP
- source
- jpnic
- updated
- 2019-03-05
- descr
- National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
- admin
- JW6891JP
- tech
- JP00174290
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%
- None here
- None here
- None here
- None here
- None here
- Hosting IP2560.39%
- None here
- None here
- None here
- SSH IP130.02%
- 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 |
|---|---|---|---|---|
| 133.40.0.0/16 | Japan | not found | 19 | 2026-10-02 |
Test the real build first.
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