AS24284 CyberAgent, Inc.

CYBERAGENT - CyberAgent, Inc. · registered in Japan

IPv4 addresses5,6324 prefixes · <0.001% of announced IPv4

Rank in Japan#371largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#12,851of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS24284 in ASN lookup Look up an IP in this network (157.112.64.1) All networks in Japan

IPv4 prefixes

All 4 prefixes, in address order.

157.112.64.0/20
180.233.139.0/24
180.233.140.0/22
203.80.29.0/24

IPv6 prefixes

All 1 prefix.

2402:4200:1200::/48

Other ASNs named CyberAgent, Inc.

1 other network uses the same organisation name; together with AS24284 they announce 6,144 IPv4 addresses.

ASNNameIPv4 addresses

AS63790CA-LAB - CyberAgent, Inc. JP512

Similar-sized networks in Japan

ASNNameIPv4 addresses

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AS131893#370 RICOH-NET - RICOH Company, Ltd.5,632

AS17937#372 NDMC - NIKKEI ADVANCED SYSTEMS INC.5,376

AS139076#373 ENJOYVC-AS-AP - EnjoyVC Japan Corporation5,376

AS24270#374 CRC-KCC - CRC Solutions Corp.,5,120

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