| Date | IP Address |
| 2020-11-13 | 52.51.191.65 (ClassC) |
| 2022-01-06 | 99.80.67.1 (ClassC) |
| 2022-03-14 | 52.48.233.131 (ClassC) |
| 2024-04-13 | 54.171.29.223 (ClassC) |
| 2024-04-30 | 54.220.223.212 (ClassC) |
| 2024-05-13 | 52.30.252.217 (ClassC) |
| 2024-05-23 | 54.246.194.239 (ClassC) |
| 2024-06-07 | 52.17.36.98 (ClassC) |
| 2024-07-22 | 54.73.131.33 (ClassC) |
| 2024-09-13 | 63.35.167.21 (ClassC) |
| 2024-10-23 | 99.80.60.86 (ClassC) |
| 2024-11-13 | 34.245.246.132 (ClassC) |
| 2024-12-23 | 54.72.180.126 (ClassC) |
| 2025-01-01 | 34.251.128.227 (ClassC) |
| 2025-03-01 | 52.211.80.120 (ClassC) |
| 2025-03-15 | 52.17.6.211 (ClassC) |
| 2025-04-24 | 18.200.140.100 (ClassC) |
| 2025-05-23 | 54.220.137.24 (ClassC) |
| 2025-08-22 | 54.170.76.46 (ClassC) |
| 2026-01-05 | 52.17.154.130 (ClassC) |
| Date | Domain | IP |
| json.stage.external.sumup.io | 2024-05-03 | 52.50.16.164 |
| json.live.external.sumup.io | 2024-04-13 | 54.171.29.223 |