| Date | IP Address |
| 2021-08-25 | 13.225.206.22 (ClassC) |
| 2021-10-01 | 13.227.40.52 (ClassC) |
| 2021-10-01 | 13.227.40.61 (ClassC) |
| 2021-11-26 | 99.84.105.72 (ClassC) |
| 2021-11-26 | 99.84.105.93 (ClassC) |
| 2022-04-15 | 13.33.160.118 (ClassC) |
| 2022-04-15 | 13.33.160.76 (ClassC) |
| 2024-05-01 | 99.84.66.80 (ClassC) |
| 2024-12-20 | 52.84.162.65 (ClassC) |
| 2025-01-07 | 52.84.162.115 (ClassC) |
| 2025-08-06 | 99.84.66.41 (ClassC) |
| 2025-08-23 | 99.84.66.40 (ClassC) |
| 2025-09-03 | 18.173.219.126 (ClassC) |
| 2025-09-14 | 99.84.66.97 (ClassC) |
| 2025-10-15 | 3.163.24.128 (ClassC) |
| 2025-11-06 | 3.163.24.113 (ClassC) |
| 2026-02-01 | 3.163.24.84 (ClassC) |
| Date | Domain | IP |
| www.gakken-plus.co.jp | 2025-01-26 | 99.84.66.40 |