| Date | IP Address |
| 2024-05-27 | 3.72.127.14 (ClassC) |
| 2025-02-04 | 52.58.98.216 (ClassC) |
| 2025-02-10 | 52.28.98.53 (ClassC) |
| 2025-04-26 | 52.58.191.172 (ClassC) |
| 2025-06-26 | 52.59.13.95 (ClassC) |
| Date | Domain | IP |
| api.prd.open-pay.com | 2024-04-23 | 52.57.182.0 |
| admin-panel.prd.open-pay.com | 2025-02-01 | 3.163.24.82 |
| fiserv-api.uat.open-pay.com | 2024-05-27 | 3.72.127.14 |
| fizen-api.int.open-pay.com | 2025-01-02 | 18.196.147.13 |
| proxy.api.int.open-pay.com | 2024-08-20 | 52.29.221.86 |
| www.open-pay.com | 2024-05-30 | 3.5.136.165 |