| Date | IP Address |
| 2021-03-30 | 13.32.91.83 (ClassC) |
| 2021-03-30 | 13.32.91.89 (ClassC) |
| 2025-01-07 | 199.36.158.100 (ClassC) |
| 2025-03-10 | 18.67.240.35 (ClassC) |
| 2025-04-07 | 18.154.41.96 (ClassC) |
| 2025-05-10 | 18.154.41.25 (ClassC) |
| 2026-02-02 | 3.174.180.125 (ClassC) |
| Date | Domain | IP |
| api1.correospre.es | 2024-08-11 | 18.161.6.92 |
| mercasv2.correospre.es | 2024-08-29 | 3.163.158.101 |
| frio.correospre.es | 2025-02-12 | 3.163.24.106 |
| descargas.correospre.es | 2024-08-30 | 204.246.191.80 |
| www.correospre.es | 2024-11-24 | 108.138.94.80 |