| Date | IP Address |
| 2019-02-23 | 52.222.218.178 (ClassC) |
| 2019-02-23 | 52.222.218.91 (ClassC) |
| 2019-02-23 | 99.84.216.44 (ClassC) |
| 2019-02-23 | 52.222.218.156 (ClassC) |
| 2019-11-22 | 13.226.38.107 (ClassC) |
| 2019-11-22 | 13.226.38.45 (ClassC) |
| 2021-06-02 | 13.225.61.126 (ClassC) |
| 2024-06-14 | 3.163.24.41 (ClassC) |
| 2024-12-22 | 99.84.66.122 (ClassC) |
| 2024-12-30 | 3.163.24.34 (ClassC) |
| 2025-01-12 | 99.84.66.17 (ClassC) |
| 2025-05-07 | 3.175.34.84 (ClassC) |
| 2025-06-04 | 3.175.34.106 (ClassC) |
| 2025-08-16 | 3.175.34.86 (ClassC) |
| Date | Domain | IP |
| qa.work-site.kensetsu-site.com | 2024-12-22 | 204.246.191.27 |
| cdn.work-site.kensetsu-site.com | 2024-09-30 | 18.161.6.82 |
| auth-api.s1.data-in-site.kensetsu-site.com | 2024-09-22 | 54.199.77.0 |
| s2.skillmap-site.kensetsu-site.com | 2024-02-18 | 18.161.6.127 |
| www.worksite.kensetsu-site.com | 2023-11-02 | 3.163.24.14 |
| gs.kensetsu-site.com | 2025-08-02 | 18.177.228.111 |
| s2.external.api.gs.kensetsu-site.com | 2024-08-01 | 54.150.170.141 |
| www.kensetsu-site.com | 2024-06-14 | 3.163.24.41 |