| Date | IP Address |
| 2024-01-31 | 13.114.178.130 (ClassC) |
| 2024-04-12 | 57.180.121.76 (ClassC) |
| 2024-04-15 | 43.206.51.151 (ClassC) |
| 2024-05-13 | 18.178.31.193 (ClassC) |
| 2024-07-02 | 35.72.86.185 (ClassC) |
| 2024-07-13 | 13.115.186.1 (ClassC) |
| 2024-07-30 | 13.112.99.51 (ClassC) |
| 2024-09-02 | 54.249.28.59 (ClassC) |
| 2024-09-24 | 54.238.209.221 (ClassC) |
| 2024-10-23 | 35.75.246.79 (ClassC) |
| 2024-11-21 | 13.224.14.8 (ClassC) |
| 2024-12-27 | 3.163.24.92 (ClassC) |
| 2025-01-06 | 13.224.14.115 (ClassC) |
| 2025-02-02 | 3.163.24.112 (ClassC) |
| Date | Domain | IP |
| admin-api.prod.ustime.jp | 2024-01-31 | 54.248.12.106 |
| manager-api.prod.ustime.jp | 2024-01-31 | 52.193.23.228 |
| user-api.prod.ustime.jp | 2024-01-31 | 52.193.23.228 |
| system.prod.ustime.jp | 2024-01-31 | 13.114.23.135 |
| admin.ustime.jp | 2024-12-27 | 18.161.6.79 |