| Date | IP Address |
| 2014-07-21 | 74.200.250.135 (ClassC) |
| 2015-06-19 | 74.200.250.128 (ClassC) |
| 2024-08-24 | 172.234.222.138 (ClassC) |
| 2024-12-29 | 172.232.26.145 (ClassC) |
| 2025-04-02 | 172.234.17.135 (ClassC) |
| 2025-04-14 | 172.233.219.78 (ClassC) |
| 2025-05-28 | 172.233.219.49 (ClassC) |
| 2025-08-05 | 172.233.219.123 (ClassC) |
| Date | Domain | IP |
| owa.txdot.org | 2014-07-21 | 74.200.250.135 |
| www.txdot.org | 2014-07-28 | 74.200.250.135 |