| Date | IP Address |
| 2024-07-30 | 18.202.69.176 (ClassC) |
| 2024-08-21 | 54.77.173.75 (ClassC) |
| 2024-11-17 | 54.77.164.186 (ClassC) |
| 2024-12-20 | 54.73.45.162 (ClassC) |
| 2025-09-07 | 52.16.47.57 (ClassC) |
| 2025-09-24 | 54.154.4.187 (ClassC) |
| 2025-12-23 | 34.247.77.240 (ClassC) |
| Date | Domain | IP |
| payments-api.cambridgeupa.org | 2024-07-30 | 34.248.69.52 |
| dev-payments-api.cambridgeupa.org | 2024-07-30 | 18.202.69.176 |
| pay.cambridgeupa.org | 2024-12-27 | 18.161.6.73 |
| pp2-pay.cambridgeupa.org | 2024-09-26 | 99.84.66.90 |
| dev-pay.cambridgeupa.org | 2024-09-17 | 18.161.6.42 |