Internet Initiative JapanInternet Initiative JapanIP Ranges632Total IPs3,833,855 AS2497 JP US Tokyo Utsunomiya Kyoto+112 more
NTT DOCOMO BUSINESSNTT DOCOMO BUSINESSIP Ranges518Total IPs27,563,771 AS4713 JP US Kawagoe Niigata Kyoto+127 more
National Institute of InformaticsNational Institute of InformaticsIP Ranges478Total IPs8,832,512 AS2907 JP Yokohama Sendai Tokyo+174 more
So-net CorporationSo-net CorporationIP Ranges16Total IPs82,944 AS9600 JP Edogawa Nakano City Hachiōji+7 more
National Institute of Technology, JapanNational Institute of Technology, JapanIP Ranges1Total IPs256 AS2907 JP Hachiōji