ıpdex
Japan

AS4721

JCOM Co., Ltd. Unknown registered in Japan

162IPv4 prefixes
1IPv6 prefixes
100%RPKI-valid
#13,922AS Rank
#25Rank in Japan
1995-08-30Allocated

JCOM Co., Ltd. (AS4721) — Unknown, registered in Japan. announces 162 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #25. Allocated: 1995-08-30.

Announced prefixes · 163

RPKI: rpki.cloudflare.com · 2026-06-22

— Routing status unavailable

Prefix history

0 100 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
2026-06-12163
2026-06-13163

AS topology · Customer cone 1

Providers · 1

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