AS63777 · National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
1
IPv4 prefixes
65,536
Announced IPv4 slots
0
IPv6 prefixes
🇯🇵 JP
Country
Summary
- AS number
- AS63777
- Name
- National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
- Country
- 🇯🇵 Japan
- Type
- JPNIC
- Category
- business
- Normalized type
- business
- Organization domain
- Unknown
- Domain evidence
- Unknown
- Last changed
- Unknown
- Announced
- 1 prefixes
- Updated
- 2026-10-25
IPv4 prefixes on this page (1 of 1)
| Prefix |
|---|
| 133.40.0.0/16 |
Address slots sum announced prefixes; overlapping routes count separately.