| Date | IP Address |
| 2014-06-24 | 50.16.237.143 (ClassC) |
| 2019-05-18 | 54.221.210.202 (ClassC) |
| 2024-04-18 | 52.204.242.176 (ClassC) |
| 2024-04-26 | 54.162.128.250 (ClassC) |
| 2024-06-04 | 54.157.58.70 (ClassC) |
| 2024-06-21 | 18.205.36.100 (ClassC) |
| 2024-07-02 | 13.107.246.31 (ClassC) |
| 2024-12-09 | 13.107.246.42 (ClassC) |
| 2025-06-18 | 13.107.246.76 (ClassC) |
| 2025-08-19 | 13.107.253.42 (ClassC) |
| 2025-09-09 | 13.107.246.51 (ClassC) |
| 2026-02-09 | 13.107.246.69 (ClassC) |
| Date | Domain | IP |
| www.tfsbillpay.com | 2023-11-01 | 18.205.36.100 |