| Date | IP Address |
| 2025-05-14 | 162.216.50.131 (ClassC) |
| Date | Domain | IP |
| publichealth.harriscountytx.gov | 2025-02-27 | 104.18.25.198 |
| email.harriscountytx.gov | 2025-03-11 | 162.216.50.215 |
| www.harriscountytx.gov | 2025-03-15 | 104.18.25.198 |
| identity.harriscountytx.gov | 2025-05-14 | 162.216.50.131 |