| Date | IP Address |
| 2018-11-19 | 34.253.118.6 (ClassC) |
| 2018-11-28 | 34.255.78.115 (ClassC) |
| 2019-09-17 | 54.72.211.70 (ClassC) |
| 2024-06-01 | 51.124.7.114 (ClassC) |
| 2026-02-27 | 4.245.164.251 (ClassC) |
| Date | Domain | IP |
| webforms5.cun.es | 2025-09-05 | 40.74.46.141 |
| webforms6.cun.es | 2025-09-05 | 40.74.44.114 |
| cima.cun.es | 2025-09-05 | 4.245.164.251 |
| areapaciente.cun.es | 2024-11-24 | 195.77.235.166 |
| blog.cun.es | 2025-02-12 | 159.237.156.20 |
| cancercenter.cun.es | 2025-09-13 | 4.245.164.251 |
| image.news.cun.es | 2026-01-26 | 23.192.230.144 |
| intranet.cun.es | 2025-09-05 | 4.245.164.251 |
| www.cun.es | 2024-06-01 | 51.124.7.114 |