| Date | IP Address |
| 2018-07-20 | 52.84.11.123 (ClassC) |
| 2018-07-20 | 52.84.11.137 (ClassC) |
| 2018-08-30 | 52.85.112.30 (ClassC) |
| 2018-08-30 | 52.85.112.141 (ClassC) |
| 2018-08-30 | 52.85.112.193 (ClassC) |
| 2018-08-30 | 52.85.112.24 (ClassC) |
| 2019-07-03 | 99.84.168.15 (ClassC) |
| 2019-07-03 | 99.84.168.62 (ClassC) |
| 2025-06-02 | 3.175.34.23 (ClassC) |
| 2025-07-05 | 18.161.6.33 (ClassC) |
| 2025-10-31 | 3.175.34.28 (ClassC) |
| 2026-01-15 | 3.175.34.95 (ClassC) |
| Date | Domain | IP |
| sp-appdata.profis.check24.de | 2026-01-11 | 89.191.92.137 |
| questionnaire.profis.check24.de | 2025-10-31 | 89.191.92.137 |
| native.profis.check24.de | 2024-05-23 | 18.172.170.43 |
| portal.profis.check24.de | 2025-10-31 | 89.191.92.137 |
| cdn.profis.check24.de | 2021-07-24 | 99.84.64.49 |
| consumer.profis.check24.de | 2025-10-31 | 89.191.92.137 |
| assets.profis.check24.de | 2025-06-02 | 3.175.34.23 |
| t.profis.check24.de | 2025-10-31 | 89.191.92.134 |