ıpdex
Japan

AS7521

INTERNET MULTIFEED CO. ISP registered in Japan

8IPv4 prefixes
1IPv6 prefixes
100%RPKI-valid
#3,050AS Rank
327/327RIS visibility
#274Rank in Japan
1997-03-03Allocated

INTERNET MULTIFEED CO. (AS7521) — ISP, registered in Japan. announces 8 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #274. Allocated: 1997-03-03.

Announced prefixes · 9

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

Routing: 8 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 5 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
2026-06-129
2026-06-139

AS topology · Customer cone 8

Providers · 1

Customers · 6

  • AS173 Nippon Telegraph and Telephone Corporation
  • AS4697 Nippon Telegraph and Telephone Corporation
  • AS38644 INTERNET MULTIFEED CO.
  • AS63802 Nippon Telegraph and Telephone East Corporation
  • AS131079 INTERNET MULTIFEED CO.
  • AS200070 CZ.NIC, z.s.p.o.
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