| Date | IP Address |
| 2020-01-17 | 23.51.192.254 (ClassC) |
| 2023-08-25 | 23.37.217.29 (ClassC) |
| 2024-08-01 | 2.19.152.156 (ClassC) |
| 2025-05-10 | 2.19.136.141 (ClassC) |
| 2025-09-23 | 23.196.158.163 (ClassC) |
| 2025-11-18 | 23.198.150.190 (ClassC) |
| 2026-02-24 | 23.37.217.25 (ClassC) |
| Date | Domain | IP |
| smtp10.dot.gov | 2014-07-06 | 204.68.194.52 |
| acquia-stage-permits8.dot.gov | 2024-08-01 | 23.6.191.102 |
| acquia-test-permits8.dot.gov | 2024-08-14 | 184.24.192.193 |
| lb-dotmyfaa.dot.gov | 2026-02-03 | 3.221.7.135 |
| buildamerica.dot.gov | 2023-08-26 | 23.196.197.101 |
| cms.buildamerica.dot.gov | 2023-08-25 | 23.37.217.29 |
| www.data.fra.dot.gov | 2023-08-26 | 23.196.122.12 |
| railroads.fra.dot.gov | 2023-08-25 | 23.37.217.29 |
| dotcms.fra.dot.gov | 2023-08-26 | 2.19.136.141 |
| fmcsa.dot.gov | 2025-06-08 | 104.47.63.36 |
| nr-1.fmcsa.dot.gov | 2024-07-30 | 3.83.180.133 |
| nr-2.fmcsa.dot.gov | 2026-02-03 | 52.22.52.186 |
| www7.fmcsa.dot.gov | 2024-01-10 | 23.6.254.198 |
| csa.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| nccdb.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| li-public.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| eld.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| itd.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| mobile.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| score.fmcsa.dot.gov | 2023-08-25 | 23.37.217.29 |
| clearinghouse.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| eldenf.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| ai.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |