| AS63770 | ICSCOE-AS | Industrial Cyber Security Center of Excellence | Jpnic |
| AS18127 | Ibaraki | Ibaraki Prefectural Government | Jpnic |
| AS36599 | SOFTETHER-AMERICA | SoftEther Telecommunication Research Institute, .. | Arin |
| AS63797 | CuteIP | CuteIP Tsukuba River Side East 212, 4-5-13, Amak.. | Apnic |
| AS63799 | GHOST | Ghost Network 2-11-2-519,Takashima,Yokohama-shi,.. | Apnic |
| AS63790 | CYBERAGENT | CYBER AGENT, LTD. Abema Towers 40-1 Udagawacho S.. | Apnic |
| AS63800 | SERVG | SERVER-G Group 2-4-2, Jogawara-cho, Akishima-shi.. | Apnic |
| AS146980 | IOC | Tokyo Metropolitan College of Industrial Technol.. | Apnic |