| Date | IP Address |
| 2025-01-09 | 162.159.140.99 (ClassC) |
| 2025-01-31 | 172.66.0.97 (ClassC) |
| 2025-03-23 | 141.101.90.97 (ClassC) |
| 2025-11-26 | 185.8.236.0 (ClassC) |
| Date | Domain | IP |
| cyclone.enisa.europa.eu | 2025-11-02 | 20.73.222.84 |
| mail.enisa.europa.eu | 2025-09-18 | 139.91.222.69 |
| certification.enisa.europa.eu | 2025-11-26 | 3.163.24.74 |
| mmchat.enisa.europa.eu | 2025-11-02 | 20.73.222.84 |
| portal.csirt.enisa.europa.eu | 2025-01-09 | 162.159.140.99 |
| adfs.csirt.enisa.europa.eu | 2024-11-24 | 162.159.140.99 |
| csirtoos.csirt.enisa.europa.eu | 2025-08-22 | 139.91.221.47 |
| chat.csirt.enisa.europa.eu | 2025-11-02 | 185.8.236.0 |
| eu-csi-test.enisa.europa.eu | 2025-11-07 | 20.54.178.50 |
| doratest.enisa.europa.eu | 2025-09-10 | 20.73.222.84 |
| www.enisa.europa.eu | 2025-02-09 | 20.67.122.63 |