| Date | IP Address |
| 2023-11-29 | 35.73.142.5 (ClassC) |
| 2025-03-23 | 54.65.202.124 (ClassC) |
| 2025-07-15 | 13.115.147.184 (ClassC) |
| 2025-07-18 | 18.176.106.234 (ClassC) |
| 2025-08-13 | 18.182.230.148 (ClassC) |
| 2025-09-02 | 18.181.25.136 (ClassC) |
| 2025-10-04 | 18.180.207.101 (ClassC) |
| 2025-10-24 | 35.77.231.147 (ClassC) |
| Date | Domain | IP |
| manage.benefit.jp-cs.jp | 2025-07-15 | 54.199.85.127 |
| stg.benefit.jp-cs.jp | 2025-06-27 | 52.192.244.146 |