| Date | IP Address |
| 2023-08-27 | 104.18.18.97 (ClassC) |
| 2023-11-26 | 190.60.94.100 (ClassC) |
| 2025-01-21 | 104.18.2.154 (ClassC) |
| 2025-01-24 | 104.18.3.154 (ClassC) |
| Date | Domain | IP |
| congresobp2020.bibliotecanacional.gov.co | 2024-12-17 | 104.18.3.154 |
| adminauth.bibliotecanacional.gov.co | 2024-06-11 | 104.18.3.154 |
| adminlocales.bibliotecanacional.gov.co | 2025-01-24 | 104.18.3.154 |