| Date | IP Address |
| 2020-03-06 | 13.249.89.106 (ClassC) |
| 2020-03-06 | 13.249.89.15 (ClassC) |
| 2020-03-06 | 13.249.89.36 (ClassC) |
| 2020-03-06 | 13.249.89.62 (ClassC) |
| 2024-02-21 | 204.246.191.122 (ClassC) |
| 2024-08-23 | 99.84.66.19 (ClassC) |
| 2025-06-12 | 204.246.191.81 (ClassC) |
| 2025-07-27 | 204.246.191.92 (ClassC) |
| 2025-09-01 | 3.175.34.62 (ClassC) |
| 2026-01-23 | 3.169.173.99 (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 |