| Date | IP Address |
| 2022-07-11 | 54.248.25.4 (ClassC) |
| 2024-06-10 | 18.179.89.207 (ClassC) |
| 2024-10-01 | 52.199.18.16 (ClassC) |
| 2024-10-20 | 54.249.13.227 (ClassC) |
| 2025-03-15 | 54.150.170.89 (ClassC) |
| 2025-04-21 | 18.177.212.232 (ClassC) |
| 2025-05-24 | 23.23.147.179 (ClassC) |
| 2025-07-14 | 35.169.108.94 (ClassC) |
| 2025-08-22 | 54.243.211.35 (ClassC) |
| 2025-10-25 | 52.5.146.102 (ClassC) |
| 2026-01-04 | 44.193.22.237 (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 |
| dev-os.randstad.co.jp | 2024-02-21 | 52.192.9.180 |
| smt.randstad.co.jp | 2025-10-12 | 150.48.5.210 |
| risesmart.randstad.co.jp | 2024-06-10 | 18.179.89.207 |
| en.risesmart.randstad.co.jp | 2024-05-13 | 18.179.89.207 |
| www.risesmart.randstad.co.jp | 2024-05-13 | 52.196.189.62 |
| www.randstad.co.jp | 2024-11-12 | 54.178.164.197 |
| biz.randstad.co.jp | 2025-10-04 | 199.60.103.28 |