| Date | IP Address |
| 2024-10-10 | 104.26.9.21 (ClassC) |
| 2024-12-14 | 104.26.8.21 (ClassC) |
| 2024-12-26 | 172.67.72.58 (ClassC) |
| Date | Domain | IP |
| api.flatpay.dk | 2024-06-16 | 3.65.49.12 |
| test-camunda-api.flatpay.dk | 2024-11-25 | 35.158.0.73 |
| data-api.flatpay.dk | 2024-09-21 | 3.66.100.186 |
| test-data-api.flatpay.dk | 2024-12-26 | 52.29.14.149 |
| core-api.flatpay.dk | 2024-11-24 | 18.198.179.58 |
| test-core-api.flatpay.dk | 2024-11-25 | 18.158.159.137 |
| test-accounting-api.flatpay.dk | 2024-05-13 | 52.59.61.65 |
| external-api.flatpay.dk | 2024-09-21 | 3.66.100.186 |
| test-pos-api.flatpay.dk | 2024-12-26 | 52.57.188.209 |
| socket-api.flatpay.dk | 2024-12-14 | 3.66.39.126 |
| test-socket-api.flatpay.dk | 2024-04-13 | 3.127.7.67 |
| portal.flatpay.dk | 2024-09-21 | 3.163.24.93 |
| socket.flatpay.dk | 2024-09-21 | 3.73.72.224 |
| www.flatpay.dk | 2024-10-10 | 104.26.9.21 |