| Date | IP Address |
| 2024-10-14 | 45.223.19.1 (ClassC) |
| 2025-11-01 | 45.223.17.1 (ClassC) |
| 2026-02-07 | 18.161.6.116 (ClassC) |
| Date | Domain | IP |
| content.penguinlibros.com | 2026-01-07 | 3.169.173.24 |
| ssto1st.penguinlibros.com | 2025-11-01 | 45.223.17.1 |
| www.penguinlibros.com | 2025-08-30 | 45.223.17.1 |