Internet Initiative JapanInternet Initiative JapanIP Ranges641Total IPs3,900,159 AS2497 JP+1 more Tokyo Bukkōchō Kawaguchi+115 more
National Institute of InformaticsNational Institute of InformaticsIP Ranges480Total IPs8,769,280 AS2907 JP Yokohama Tokyo Nagoya+158 more
So-net CorporationSo-net CorporationIP Ranges16Total IPs82,944 AS9600 JP Edogawa Tokyo Tokorozawa+7 more