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AS139468 DC Communications Inc.

DCI-AS-AP - DC Communications Inc. · registered in Japan

IPv4 addresses5,63211 prefixes · <0.001% of announced IPv4
Rank in Japan#369largest network in JP by IPv4 space, of 724 · <0.01% of JP
Rank worldwide#12,791of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryJapan745 ASNs registered there

IPv4 prefixes

All 11 prefixes, in address order.

  • 43.239.105.0/24
  • 45.116.134.0/24
  • 101.0.28.0/23
  • 101.0.31.0/24
  • 103.9.94.0/23
  • 103.28.28.0/22
  • 103.37.133.0/24
  • 103.37.134.0/23
  • 103.240.12.0/23
  • 103.240.14.0/23
  • 103.245.4.0/22

IPv6 prefixes

All 1 prefix.

  • 2405:9e40::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS59094#366 S2-NET - esu2 Corporation6,144
AS131896#367 SSI-Lab - SSI Lab Inc.6,144
AS137445#368 AS-PFLINK-JP - PF LINK SYSTEMS5,888
AS131893#370 RICOH-NET - RICOH Company, Ltd.5,632
AS24284#371 CYBERAGENT - CyberAgent, Inc.5,632
AS17937#372 NDMC - NIKKEI ADVANCED SYSTEMS INC.5,376

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