ıpdex
Japan

AS45679

Tatsumi, Tomo Education registered in Japan

1IPv4 prefixes
2IPv6 prefixes
67%RPKI-valid
#33,234AS Rank
327/327RIS visibility
#540Rank in Japan
2009-04-02Allocated

Tatsumi, Tomo (AS45679) — Education, registered in Japan. announces 1 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #540. Allocated: 2009-04-02.

Announced prefixes · 3

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 1 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 1 2 3 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-123
2026-06-133

Internet Exchanges · 1

  • JCIX Japan 41 Gbps

AS topology · Customer cone 1

Providers · 3

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