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AS24572
AS24572 Yahoo Japan
YAHOO-JP-AS-AP - Yahoo Japan · registered in Japan
IPv4 addresses 118,784 4 prefixes · 0.004% of announced IPv4
Rank in Japan #68 largest network in JP by IPv4 space, of 724 · 0.07% of JP
Rank worldwide #1,721 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 4 prefixes, in address order.
114.110.48.0/20 114.111.64.0/18 124.83.128.0/17 183.79.0.0/16
IPv6 prefixes
All 1 prefix.
Similar-sized networks in Japan
ASN Name IPv4 addresses
AS4729 #65 JAEA - Japan Atomic Energy Agency131,072
AS63802 #66 MIKAKA-EAST - Nippon Telegraph and Telephone East Corporation131,072
AS7516 #67 TOHKNET - TOHKnet Co.,Inc.119,040
AS3488 #69 JAXAnet - Japan Aerospace Exploration Agency115,200
AS10021 #70 KVH - KVH Co.,Ltd110,848
AS38631 #71 LINE - LY Corporation108,288
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