Japan

AS9999

AT TOKYO Corporation ISP registered in Japan

10IPv4 prefixes
1IPv6 prefixes
9%RPKI-valid
#3,731AS Rank
327/327RIS visibility
#232Rank in Japan
2000-04-27Allocated

AT TOKYO Corporation (AS9999) — ISP, registered in Japan. announces 10 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #232. Allocated: 2000-04-27.

Announced prefixes · 11

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

Routing: 10 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 5 10 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
2026-06-1211
2026-06-1311

Internet Exchanges · 4

Facilities · 1

AS topology · Customer cone 6

Providers · 1

  • AS2497 Internet Initiative Japan Inc.

Customers · 1

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