| Date | IP Address |
| 2020-08-06 | 23.66.174.100 (ClassC) |
| 2022-11-07 | 23.194.169.109 (ClassC) |
| 2023-07-26 | 23.2.95.231 (ClassC) |
| 2023-08-26 | 104.86.242.122 (ClassC) |
| 2023-10-27 | 23.196.205.50 (ClassC) |
| 2024-08-28 | 23.195.227.208 (ClassC) |
| 2025-02-08 | 104.100.55.202 (ClassC) |
| 2025-03-30 | 92.123.202.230 (ClassC) |
| 2025-04-20 | 23.6.99.143 (ClassC) |
| 2025-09-20 | 23.195.227.213 (ClassC) |
| 2026-01-14 | 23.198.144.199 (ClassC) |
| Date | Domain | IP |
| stage.mastercard.bg | 2024-04-12 | 23.37.209.91 |
| mtf.mastercard.bg | 2024-02-21 | 23.209.29.157 |
| www.mastercard.bg | 2023-08-26 | 104.86.242.122 |