| Date | IP Address |
| 2023-10-06 | 23.198.7.240 (ClassC) |
| 2023-11-24 | 23.59.177.196 (ClassC) |
| 2024-06-11 | 23.56.169.9 (ClassC) |
| 2024-10-06 | 23.222.16.106 (ClassC) |
| 2024-10-29 | 23.64.119.63 (ClassC) |
| 2024-11-10 | 184.28.29.176 (ClassC) |
| 2025-03-11 | 23.62.35.74 (ClassC) |
| 2025-04-19 | 23.46.228.171 (ClassC) |
| 2025-10-05 | 23.62.35.26 (ClassC) |
| 2025-12-25 | 23.59.88.231 (ClassC) |
| 2026-01-26 | 23.216.147.195 (ClassC) |
| Date | Domain | IP |
| synapse.hitachi-kenki.com | 2025-04-17 | 23.46.228.171 |
| isynapse.hitachi-kenki.com | 2025-04-19 | 23.46.228.171 |
| goods-online-japan.hitachi-kenki.com | 2025-12-24 | 3.163.24.126 |