| Date | IP Address |
| 2021-09-27 | 34.200.194.67 (ClassC) |
| 2024-05-04 | 34.199.86.218 (ClassC) |
| 2024-11-10 | 44.195.148.38 (ClassC) |
| 2025-05-18 | 35.172.80.11 (ClassC) |
| 2025-07-15 | 18.233.103.220 (ClassC) |
| 2025-08-02 | 18.235.129.42 (ClassC) |
| Date | Domain | IP |
| www.usio.com | 2024-11-02 | 104.21.5.46 |
| billpay.usio.com | 2024-05-04 | 34.199.86.218 |