| Date | IP Address |
| 2020-04-13 | 104.106.43.44 (ClassC) |
| 2020-05-01 | 23.66.174.100 (ClassC) |
| 2020-05-10 | 23.64.7.65 (ClassC) |
| 2022-10-31 | 104.81.119.62 (ClassC) |
| 2023-02-07 | 23.2.95.231 (ClassC) |
| 2024-08-11 | 96.17.220.173 (ClassC) |
| 2024-11-25 | 92.123.202.230 (ClassC) |
| 2026-02-16 | 23.6.99.143 (ClassC) |
| Date | Domain | IP |
| stage.mastercard.de | 2023-08-25 | 23.209.31.61 |
| mtf.mastercard.de | 2023-08-25 | 23.56.190.34 |
| www.mastercard.de | 2024-08-11 | 96.17.220.173 |