| Date | IP Address |
| 2025-03-05 | 18.180.87.98 (ClassC) |
| 2025-03-14 | 43.207.249.59 (ClassC) |
| 2025-05-25 | 52.199.156.59 (ClassC) |
| 2025-06-25 | 35.74.207.241 (ClassC) |
| 2025-07-03 | 52.193.145.217 (ClassC) |
| 2025-08-22 | 35.78.57.109 (ClassC) |
| 2025-09-11 | 35.79.58.4 (ClassC) |
| 2026-01-10 | 35.77.136.47 (ClassC) |
| Date | Domain | IP |
| stg.integ-core.randstad.co.jp | 2025-08-20 | 13.231.89.164 |
| e2e.apigw.integ-core.randstad.co.jp | 2025-03-05 | 18.180.87.98 |