| Date | IP Address |
| 2025-06-27 | 172.174.48.14 (ClassC) |
| Date | Domain | IP |
| revenuedata.doi.gov | 2024-07-14 | 18.161.6.92 |
| archive.revenuedata.doi.gov | 2024-10-27 | 3.163.24.64 |
| blog-nrrd.doi.gov | 2024-07-18 | 204.246.191.65 |
| blockpage.doi.gov | 2014-10-14 | 137.227.0.202 |
| search.doi.gov | 2024-11-25 | 107.23.146.145 |
| onrrdmedevsa.exm.doi.gov | 2025-06-27 | 172.174.48.14 |
| fbms.doi.gov | 2025-04-25 | 198.183.146.147 |
| ios.doi.gov | 2025-05-05 | 198.183.146.147 |
| bfext.doi.gov | 2023-08-16 | 158.68.223.224 |
| www.doi.gov | 2014-12-24 | 165.254.114.136 |