AS63777 National Institutes of Natural Sciences National Astronomical Observatory of JAPAN 🇯🇵 JP
Announcing 1 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
65,536 (256 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS63777
- Name
- National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
- Organisation
- National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2014-08-25
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
1 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 133.40.0.0/16 v4 | no ROA | 43 | 38001290763777 | 2026-09-18 |