| Date | IP Address |
| 2014-06-23 | 80.28.237.36 (ClassC) |
| 2023-08-26 | 77.227.0.22 (ClassC) |
| 2025-02-03 | 34.160.141.185 (ClassC) |
| 2025-08-21 | 212.128.109.135 (ClassC) |
| Date | Domain | IP |
| libreria.cis.es | 2025-06-22 | 91.209.108.38 |
| www.gestion.cis.es | 2025-01-22 | 213.134.36.210 |
| correo.cis.es | 2025-08-17 | 212.128.109.131 |
| www.cis.es | 2025-01-13 | 34.160.141.185 |