AS213471
YAMAMOTO Hiroshi Education registered in Japan
0IPv4 prefixes
8IPv6 prefixes
75%RPKI-valid
0/327RIS visibility
#295Rank in Japan
2025-02-04Allocated
YAMAMOTO Hiroshi (AS213471) — Education, registered in Japan. announces 0 IPv4 prefixes + 8 IPv6 prefixes. Rank in Japan: #295. Allocated: 2025-02-04.
IPv4 0IPv6 8
Announced prefixes · 8
- v6 2a06:41:10::/44 valid
- v6 2a06:41:30::/44 valid
- v6 2a06:41:50::/44 valid
- v6 2a06:41:80::/42 valid
- v6 2a06:41::/44 valid
- v6 2a06:41:c0::/44 valid
- v6 2a0b:4e07:d4::/48 unknown
- v6 2a0b:4e07:d7::/48 unknown
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 0 IPv4 · 9 IPv6 announced · RIS visibility 0/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 11 |
| 2026-06-13 | 11 |
| 2026-06-14 | 8 |
Internet Exchanges · 2
- ENTERNET IX Tokyo 1 Gbps
- JCIX Japan 1 Gbps