| Date | IP Address |
| 2020-04-26 | 13.226.182.107 (ClassC) |
| 2020-04-26 | 13.226.182.83 (ClassC) |
| 2024-09-03 | 99.84.66.42 (ClassC) |
| 2025-01-09 | 3.163.165.78 (ClassC) |
| 2025-01-25 | 3.163.165.20 (ClassC) |
| 2025-07-19 | 99.84.66.99 (ClassC) |
| 2025-08-12 | 99.84.66.113 (ClassC) |
| 2025-09-09 | 99.84.66.22 (ClassC) |
| 2025-10-15 | 3.169.173.28 (ClassC) |
| 2026-01-07 | 3.175.34.38 (ClassC) |
| 2026-01-31 | 3.175.34.127 (ClassC) |
| Date | Domain | IP |
| ats.hrtech.rikunabi.com | 2025-03-14 | 3.163.158.22 |
| stg1.ats.hrtech.rikunabi.com | 2024-09-03 | 99.84.66.42 |
| api.stg01.develop.ats.hrtech.rikunabi.com | 2025-11-03 | 3.113.231.137 |
| cs.dev01.develop.ats.hrtech.rikunabi.com | 2024-12-24 | 52.195.54.109 |
| cs.stg02.develop.ats.hrtech.rikunabi.com | 2026-01-26 | 13.230.215.197 |
| lp.develop.ats.hrtech.rikunabi.com | 2025-01-09 | 3.163.24.29 |
| sonartst.develop.ats.hrtech.rikunabi.com | 2025-11-14 | 3.113.172.185 |