| Date | IP Address |
| 2017-07-27 | 52.68.154.249 (ClassC) |
| 2020-01-31 | 54.249.59.60 (ClassC) |
| 2020-03-28 | 52.192.92.200 (ClassC) |
| 2023-08-03 | 13.230.120.9 (ClassC) |
| 2024-04-05 | 52.196.105.136 (ClassC) |
| 2024-11-12 | 54.178.164.197 (ClassC) |
| 2024-11-24 | 54.95.209.228 (ClassC) |
| 2025-01-23 | 3.112.137.106 (ClassC) |
| 2025-02-17 | 52.193.14.153 (ClassC) |
| 2025-02-27 | 52.68.54.221 (ClassC) |
| 2025-03-15 | 52.199.59.155 (ClassC) |
| 2025-05-10 | 54.238.152.52 (ClassC) |
| 2025-07-15 | 52.196.57.196 (ClassC) |
| 2025-08-19 | 52.68.156.199 (ClassC) |
| 2025-09-12 | 35.79.240.6 (ClassC) |
| 2025-12-13 | 54.248.130.122 (ClassC) |
| 2026-02-03 | 18.178.174.238 (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 |