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AS38631
AS38631 LY Corporation
LINE - LY Corporation · registered in Japan
IPv4 addresses 108,288 44 prefixes · 0.003% of announced IPv4
Rank in Japan #71 largest network in JP by IPv4 space, of 724 · 0.07% of JP
Rank worldwide #1,812 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 123 prefixes
Country Japan 745 ASNs registered there
IPv4 prefixes
All 44 prefixes, in address order.
43.223.0.0/21 43.223.8.0/21 43.223.16.0/21 43.223.24.0/23 43.223.26.0/24 43.223.27.0/24 43.223.28.0/22 43.223.32.0/19 43.223.64.0/18 43.223.128.0/17 103.2.28.0/24 103.2.30.0/23 119.235.224.0/24 119.235.232.0/24 119.235.235.0/24 119.235.236.0/23 147.92.128.0/21 147.92.136.0/21 147.92.144.0/20 147.92.160.0/20 147.92.176.0/21 147.92.184.0/22 147.92.188.0/24 147.92.189.0/24 147.92.190.0/23 147.92.192.0/23 147.92.194.0/24 147.92.195.0/24 147.92.196.0/22 147.92.200.0/21 147.92.208.0/20 147.92.224.0/23 147.92.226.0/24 147.92.227.0/24 147.92.228.0/22 147.92.232.0/23 147.92.234.0/23 147.92.236.0/22 147.92.240.0/20 203.104.128.0/20 203.104.144.0/21 203.104.152.0/22 203.104.156.0/23 203.104.158.0/24
Other ASNs named LY Corporation
4 other networks use the same organisation name; together with AS38631 they announce 190,720 IPv4 addresses.
ASN Name IPv4 addresses
AS23816 YAHOO - LY Corporation JP 66,560
AS24296 YAHOO-2 - LY Corporation JP 9,216
AS18140 YAHOO-18140 - LY Corporation JP 4,096
AS55898 YAHOO-CORP - LY Corporation JP 2,560
Similar-sized networks in Japan
ASN Name IPv4 addresses
AS24572 #68 YAHOO-JP-AS-AP - Yahoo Japan118,784
AS3488 #69 JAXAnet - Japan Aerospace Exploration Agency115,200
AS10021 #70 KVH - KVH Co.,Ltd110,848
AS59108 #72 KATCH-NET - KATCH NETWORK INC.96,256
AS17534 #73 NSK - NSK Co.,Ltd.94,208
AS131921 #74 GMOCL - GMO GlobalSign Holdings K.K.92,928
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