| Date | IP Address |
| 2020-04-18 | 52.199.100.225 (ClassC) |
| 2020-05-27 | 52.199.108.153 (ClassC) |
| 2020-09-03 | 52.68.173.203 (ClassC) |
| 2020-09-18 | 54.238.149.86 (ClassC) |
| 2020-10-01 | 52.193.220.251 (ClassC) |
| 2020-11-18 | 54.64.91.143 (ClassC) |
| 2020-11-28 | 13.231.91.41 (ClassC) |
| 2021-01-11 | 13.112.90.195 (ClassC) |
| 2021-04-27 | 52.196.183.211 (ClassC) |
| 2022-07-20 | 54.150.222.144 (ClassC) |
| 2023-10-05 | 54.199.26.47 (ClassC) |
| 2024-07-18 | 13.230.127.91 (ClassC) |
| 2026-02-21 | 219.94.163.15 (ClassC) |
| Date | Domain | IP |
| www.ohaka-ryoshin.net | 2025-12-11 | 219.94.163.15 |