| Date | IP Address |
| 2015-01-28 | 104.28.1.118 (ClassC) |
| 2023-08-26 | 104.21.57.78 (ClassC) |
| 2024-03-16 | 52.84.162.65 (ClassC) |
| 2024-06-24 | 3.163.189.94 (ClassC) |
| 2024-09-02 | 3.163.125.86 (ClassC) |
| 2024-10-05 | 3.163.189.122 (ClassC) |
| 2024-10-28 | 3.163.24.45 (ClassC) |
| 2024-11-01 | 18.65.3.99 (ClassC) |
| 2024-11-16 | 3.163.24.85 (ClassC) |
| 2024-12-06 | 3.163.24.6 (ClassC) |
| 2024-12-19 | 3.163.189.40 (ClassC) |
| 2025-01-12 | 3.163.189.31 (ClassC) |
| Date | Domain | IP |
| www.ustr.gov | 2013-12-17 | 108.162.198.250 |
| community.ustr.gov | 2024-05-03 | 54.209.8.125 |