| Date | IP Address |
| 2024-08-20 | 13.249.74.5 (ClassC) |
| 2025-01-16 | 108.157.4.22 (ClassC) |
| 2026-02-05 | 3.169.173.50 (ClassC) |
| Date | Domain | IP |
| login.prod.auth.welt.de | 2026-01-23 | 3.163.24.55 |
| kundenservice.auth.welt.de | 2025-05-29 | 18.196.131.188 |
| signin.auth.welt.de | 2026-02-05 | 3.169.173.50 |
| checkout.co.auth.welt.de | 2024-04-09 | 3.163.24.39 |
| admin.checkout.co.auth.welt.de | 2024-04-09 | 3.163.24.39 |