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AS139468
AS139468 DC Communications Inc.
DCI-AS-AP - DC Communications Inc. · registered in Japan
IPv4 addresses 5,632 11 prefixes · <0.001% of announced IPv4
Rank in Japan #369 largest network in JP by IPv4 space, of 724 · <0.01% of JP
Rank worldwide #12,791 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 1 prefixes
Country Japan 745 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.
Similar-sized networks in Japan
ASN Name IPv4 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