| Date | IP Address |
| 2011-10-28 | 193.146.50.27 (ClassC) |
| 2015-02-11 | 193.146.50.161 (ClassC) |
| 2025-01-10 | 212.128.123.144 (ClassC) |
| Date | Domain | IP |
| scielo.isciii.es | 2025-01-10 | 212.128.123.25 |
| analytics.isciii.es | 2024-12-04 | 212.128.123.156 |
| www.isciii.es | 2025-01-10 | 212.128.123.144 |