| Date | IP Address |
| 2024-01-17 | 54.154.120.25 (ClassC) |
| 2024-03-15 | 54.171.17.229 (ClassC) |
| 2025-04-14 | 63.35.152.15 (ClassC) |
| 2025-06-20 | 63.34.94.38 (ClassC) |
| 2025-11-03 | 54.229.37.203 (ClassC) |
| Date | Domain | IP |
| m.email.lefebvre.es | 2025-06-22 | 63.32.247.54 |
| res.email.lefebvre.es | 2024-05-25 | 3.163.24.73 |
| t.email.lefebvre.es | 2025-11-03 | 54.229.37.203 |