| Date | IP Address |
| 2018-10-30 | 52.84.146.214 (ClassC) |
| 2018-10-30 | 52.84.146.42 (ClassC) |
| 2018-10-30 | 52.84.146.6 (ClassC) |
| 2018-10-30 | 13.33.164.250 (ClassC) |
| 2020-05-12 | 13.227.47.48 (ClassC) |
| 2020-10-27 | 52.84.23.82 (ClassC) |
| 2020-10-27 | 52.84.23.88 (ClassC) |
| 2021-10-18 | 54.192.131.121 (ClassC) |
| 2021-10-18 | 54.192.131.73 (ClassC) |
| 2022-01-28 | 54.239.174.92 (ClassC) |
| 2022-02-01 | 54.192.121.40 (ClassC) |
| 2022-06-23 | 52.85.247.96 (ClassC) |
| 2024-01-25 | 108.157.142.13 (ClassC) |
| 2024-08-19 | 108.139.15.79 (ClassC) |
| 2024-12-03 | 18.65.229.87 (ClassC) |
| 2025-03-02 | 3.163.24.79 (ClassC) |
| 2025-07-12 | 3.163.24.77 (ClassC) |
| 2026-01-07 | 3.163.24.86 (ClassC) |
| 2026-02-08 | 3.163.24.21 (ClassC) |
| Date | Domain | IP |
| api.puzzle.rc.r-staffing.co.jp | 2024-07-07 | 13.112.235.70 |
| cdn.r-staffing.co.jp | 2024-12-03 | 18.65.229.87 |
| image.cr.r-staffing.co.jp | 2023-08-25 | 23.222.145.247 |
| click.cr.r-staffing.co.jp | 2026-01-08 | 13.111.151.152 |
| www.r-staffing.co.jp | 2026-01-08 | 106.187.107.193 |