| Date | IP Address |
| 2020-03-22 | 143.204.35.11 (ClassC) |
| 2020-06-13 | 54.230.209.13 (ClassC) |
| 2020-08-16 | 13.33.251.106 (ClassC) |
| 2020-08-16 | 13.33.251.110 (ClassC) |
| 2024-10-20 | 18.161.6.98 (ClassC) |
| 2025-07-09 | 18.161.6.112 (ClassC) |
| 2025-09-28 | 18.161.6.76 (ClassC) |
| 2025-11-23 | 18.161.6.84 (ClassC) |
| Date | Domain | IP |
| www-test.workman.co.jp | 2024-10-20 | 18.161.6.98 |
| www.workman.co.jp | 2024-11-12 | 99.84.66.124 |