| Date | IP Address |
| 2018-11-13 | 52.84.94.113 (ClassC) |
| 2018-11-13 | 52.84.94.216 (ClassC) |
| 2018-11-16 | 143.204.29.24 (ClassC) |
| 2019-04-14 | 52.84.134.116 (ClassC) |
| 2019-11-06 | 13.224.2.27 (ClassC) |
| 2019-11-06 | 13.224.2.32 (ClassC) |
| 2019-11-06 | 13.224.2.61 (ClassC) |
| 2019-11-06 | 13.224.2.97 (ClassC) |
| 2019-11-17 | 13.226.38.8 (ClassC) |
| 2020-03-21 | 143.204.35.93 (ClassC) |
| 2020-03-21 | 143.204.35.16 (ClassC) |
| 2020-06-21 | 13.225.64.103 (ClassC) |
| 2020-11-13 | 13.225.31.14 (ClassC) |
| 2020-11-14 | 65.8.233.111 (ClassC) |
| 2021-05-30 | 65.8.227.35 (ClassC) |
| 2021-10-19 | 52.84.121.76 (ClassC) |
| 2022-06-08 | 54.192.231.89 (ClassC) |
| 2024-11-12 | 99.84.66.124 (ClassC) |
| 2025-01-27 | 18.172.170.127 (ClassC) |
| 2025-07-15 | 99.84.66.118 (ClassC) |
| 2025-08-02 | 99.84.66.64 (ClassC) |
| 2025-08-28 | 99.84.66.72 (ClassC) |
| 2026-02-26 | 3.175.34.78 (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 |