ıpdex
Japan

AS209554

ISIF OU ISP registered in Japan

6IPv4 prefixes
63IPv6 prefixes
77%RPKI-valid
#7,266AS Rank
327/327RIS visibility
#49Rank in Japan
2022-12-27Allocated

ISIF OU (AS209554) — ISP, registered in Japan. announces 6 IPv4 prefixes + 63 IPv6 prefixes. Rank in Japan: #49. Allocated: 2022-12-27.

Announced prefixes · 69

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

Routing: 6 IPv4 · 63 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 25 50 2026-06-12 2026-06-17
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1268
2026-06-1368
2026-06-1769

Internet Exchanges · 3

Facilities · 9

AS topology · Customer cone 3

Providers · 1

Peers · 2

Customers · 1

  • AS4743 ISIF Backbone Networks
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