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
STNet, IncorporatedSTNet, IncorporatedIP Ranges51Total IPs590,848 AS7522 JP Tokushima Takamatsu Matsuyama+10 more