| Date | IP Address |
| 2020-08-04 | 99.84.170.109 (ClassC) |
| 2020-08-04 | 99.84.170.37 (ClassC) |
| 2020-08-04 | 99.84.170.77 (ClassC) |
| 2020-08-04 | 99.84.170.8 (ClassC) |
| 2021-10-24 | 54.230.19.65 (ClassC) |
| 2022-05-13 | 52.85.75.51 (ClassC) |
| 2024-09-24 | 99.84.66.100 (ClassC) |
| 2024-11-16 | 99.84.66.14 (ClassC) |
| 2025-02-01 | 3.165.160.63 (ClassC) |
| 2025-07-31 | 99.84.66.111 (ClassC) |
| 2025-09-14 | 99.84.66.104 (ClassC) |
| 2026-01-23 | 3.169.173.121 (ClassC) |
| Date | Domain | IP |
| api.nihon-job.com | 2024-09-12 | 99.84.66.62 |
| corp.nihon-job.com | 2024-09-24 | 99.84.66.100 |