AS18140 LY Corporation

YAHOO-18140 - LY Corporation · registered in Japan

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Japan#402largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#15,728of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS18140 in ASN lookup Look up an IP in this network (104.145.16.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

104.145.16.0/20

Other ASNs named LY Corporation

4 other networks use the same organisation name; together with AS18140 they announce 190,720 IPv4 addresses.

ASNNameIPv4 addresses

AS38631LINE - LY Corporation JP108,288

AS23816YAHOO - LY Corporation JP66,560

AS24296YAHOO-2 - LY Corporation JP9,216

AS55898YAHOO-CORP - LY Corporation JP2,560

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS10016#399 MINC - Minaminihon Information Processing Center Co Ltd4,096

AS17685#400 PLAYONLINE - SQUARE ENIX CO., LTD.4,096

AS17699#401 MEDiA - ARTERIA Networks Corporation4,096

AS18141#403 HBA-iDC - HBA4,096

AS18143#404 DCSNET - Mitsubishi Research Institute DCS Co.,Ltd.4,096

AS18263#405 MEINET - MEITETSUCOM Co., Ltd.4,096

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