SoftBank Corp.SoftBank Corp.IP Ranges918Total IPs39,602,675 AS4725 JP US Kyoto Ibaraki Portland+2 more
au one netau one netIP Ranges743Total IPs18,034,173 AS2516 JP US NL+1 more Nagoya Toride Kitaku+101 more
Internet Initiative JapanInternet Initiative JapanIP Ranges620Total IPs3,834,367 AS2497 JP US EE Tokyo Takasaki Utsunomiya+110 more
NTT DOCOMO BUSINESSNTT DOCOMO BUSINESSIP Ranges489Total IPs27,497,469 AS4713 JP US Tsukumo Kawagoe Niigata+124 more
National Institute of InformaticsNational Institute of InformaticsIP Ranges478Total IPs8,832,512 AS2907 JP Yokohama Sendai Tokyo+181 more
Fujitsu Network CommunicationsFujitsu Network CommunicationsIP Ranges400Total IPs1,698,816 AS58793 JP US Chiyoda-ku Yokohama Tokyo+23 more
NTT PC CommunicationsNTT PC CommunicationsIP Ranges175Total IPs1,950,208 AS2514 JP Tokyo Okayama Tsukuba+40 more
ARTERIA NetworksARTERIA NetworksIP Ranges43Total IPs4,464,639 AS17506 JP Tokyo Sapporo Toranomon+23 more
Family Net Japan IncorporatedFamily Net Japan IncorporatedIP Ranges36Total IPs67,328 AS59125 JP Minamimagome Aizu-wakamatsu Shi Kobe+7 more
SECOM Trust Systems Co.SECOM Trust Systems Co.IP Ranges31Total IPs139,760 AS10006 JP Tokyo Sakado Adachi+2 more
INTERLINK Co.,LTD.INTERLINK Co.,LTD.IP Ranges12Total IPs80,896 AS2514 JP Suge-kitaura Izumi-honchō Koishikawa+6 more
Kadokawa Dwango CorporationKadokawa Dwango CorporationIP Ranges3Total IPs1,792 AS131944 JP Niiza Chuo