| Date | IP Address |
| 2023-06-14 | 44.194.161.78 (ClassC) |
| 2025-07-20 | 184.72.162.37 (ClassC) |
| 2025-08-31 | 54.208.243.226 (ClassC) |
| 2026-03-05 | 34.205.150.50 (ClassC) |
| Date | Domain | IP |
| smtp.tanner.org | 2013-12-19 | 208.73.81.66 |
| careers.tanner.org | 2025-07-20 | 184.72.162.37 |