| Date | IP Address |
| 2022-04-06 | 175.41.232.202 (ClassC) |
| 2025-03-06 | 52.197.125.148 (ClassC) |
| 2025-03-29 | 3.115.221.126 (ClassC) |
| 2025-05-04 | 54.250.72.103 (ClassC) |
| 2025-05-17 | 52.197.155.45 (ClassC) |
| 2025-07-22 | 18.178.181.1 (ClassC) |
| 2025-08-18 | 54.178.89.67 (ClassC) |
| 2025-10-23 | 54.168.51.173 (ClassC) |
| 2026-02-15 | 52.192.204.62 (ClassC) |
| Date | Domain | IP |
| tool.coprosystem.co.jp | 2025-03-05 | 18.180.72.235 |
| jao.coprosystem.co.jp | 2025-03-04 | 52.197.125.148 |
| repo.coprosystem.co.jp | 2025-03-06 | 52.197.125.148 |
| www.coprosystem.co.jp | 2024-10-26 | 35.75.90.104 |