| Date | IP Address |
| 2024-08-20 | 160.17.15.188 (ClassC) |
| 2024-09-02 | 23.192.230.90 (ClassC) |
| 2025-03-28 | 184.26.137.59 (ClassC) |
| 2025-04-05 | 23.41.4.84 (ClassC) |
| 2026-02-21 | 23.41.4.77 (ClassC) |
| Date | Domain | IP |
| cname-aa.staffservice.co.jp | 2024-05-25 | 63.140.37.126 |
| cdnpc.staffservice.co.jp | 2024-03-10 | 184.25.198.235 |
| mypage.staffservice.co.jp | 2025-01-25 | 23.54.19.154 |
| cl.staffservice.co.jp | 2025-06-11 | 23.41.4.77 |
| cdnsp.staffservice.co.jp | 2024-03-10 | 184.25.198.235 |
| cdnpctest.staffservice.co.jp | 2023-08-25 | 104.88.170.187 |
| cdnsptest.staffservice.co.jp | 2023-08-25 | 104.88.170.187 |
| seikyu.staffservice.co.jp | 2025-10-16 | 122.218.100.84 |
| www.staffservice.co.jp | 2025-06-14 | 23.41.4.77 |