HTTPfy

AS7521 INTERNET MULTIFEED CO.

MFEED - INTERNET MULTIFEED CO. · registered in Japan

IPv4 addresses4,8648 prefixes · <0.001% of announced IPv4
Rank in Japan#380largest network in JP by IPv4 space, of 724 · <0.01% of JP
Rank worldwide#13,921of 79,396 networks with IPv4
IPv665,534 x /4815 prefixes
CountryJapan745 ASNs registered there
Open AS7521 in ASN lookup Look up an IP in this network (115.69.237.1) All networks in Japan

IPv4 prefixes

All 8 prefixes, in address order.

  • 115.69.237.0/24
  • 210.173.160.0/21
  • 210.173.168.0/24
  • 210.173.170.0/24
  • 210.173.172.0/24
  • 210.173.178.0/24
  • 210.173.180.0/22
  • 210.173.186.0/23

IPv6 prefixes

All 15 prefixes.

  • 2001:3a0::/33
  • 2001:3a0:8000::/34
  • 2001:3a0:c000::/35
  • 2001:3a0:e000::/36
  • 2001:3a0:f000::/46
  • 2001:3a0:f004::/47
  • 2001:3a0:f008::/45
  • 2001:3a0:f010::/44
  • 2001:3a0:f020::/43
  • 2001:3a0:f040::/42
  • 2001:3a0:f080::/41
  • 2001:3a0:f100::/40
  • 2001:3a0:f200::/39
  • 2001:3a0:f400::/38
  • 2001:3a0:f800::/37

Other ASNs named INTERNET MULTIFEED CO.

6 other networks use the same organisation name; together with AS7521 they announce 141,056 IPv4 addresses.

ASNNameIPv4 addresses
AS55391MF-NATIVE6-E - INTERNET MULTIFEED CO. JP67,584
AS55392MF-NATIVE6-W - INTERNET MULTIFEED CO. JP67,584
AS131976JPNAP-WEST - INTERNET MULTIFEED CO. JP256
AS146984JPNAP-EAST - INTERNET MULTIFEED CO. JP256
AS38644KANDANET - INTERNET MULTIFEED CO. JP256
AS131079KANDANET4 - INTERNET MULTIFEED CO. JP256

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS37907#377 DIGIROCK - DigiRock, Inc.5,120
AS37916#378 atworks - A.T.WORKS, Inc.5,120
AS211121#379 India Toko Communications Co., Ltd.5,120
AS23614#381 I-KOCHI - Kochi Systems Co., Ltd.4,864
AS37897#382 ANW-NET-AS - AXEL ENTERMEDIA, INC.4,608
AS59116#383 AIGTKK - AIG Technologies KK4,608

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources