| Date | IP Address |
| 2023-01-07 | 52.211.155.159 (ClassC) |
| 2023-08-25 | 3.248.119.217 (ClassC) |
| 2025-12-20 | 172.67.71.57 (ClassC) |
| 2025-12-23 | 104.26.5.7 (ClassC) |
| 2026-01-20 | 104.26.4.7 (ClassC) |
| Date | Domain | IP |
| api-doc.4books.com | 2024-09-21 | 52.211.226.161 |
| staging.4books.com | 2024-06-03 | 34.254.15.190 |
| api-doc-editor.4books.com | 2024-09-21 | 63.32.241.10 |
| features.4books.com | 2024-09-21 | 63.32.241.10 |
| cms.4books.com | 2024-02-21 | 204.246.191.122 |
| rest.4books.com | 2024-10-10 | 34.255.203.37 |
| api-test.4books.com | 2024-09-21 | 52.48.76.13 |
| www.4books.com | 2025-12-20 | 172.67.71.57 |
| academy.4books.com | 2025-11-27 | 104.18.42.139 |