| Date | IP Address |
| 2020-06-30 | 13.113.95.56 (ClassC) |
| 2023-11-01 | 13.115.52.167 (ClassC) |
| 2024-11-22 | 3.112.144.79 (ClassC) |
| 2024-12-02 | 52.192.115.75 (ClassC) |
| 2025-02-03 | 54.178.186.181 (ClassC) |
| 2025-02-10 | 35.72.220.154 (ClassC) |
| 2025-03-05 | 52.197.173.140 (ClassC) |
| 2025-03-14 | 18.181.24.100 (ClassC) |
| 2025-09-08 | 57.183.45.204 (ClassC) |
| 2025-11-16 | 57.182.180.44 (ClassC) |
| 2026-01-28 | 52.198.10.205 (ClassC) |
| Date | Domain | IP |
| dev.study-search.jp | 2024-11-09 | 57.181.18.11 |