| Date | IP Address |
| 2023-05-03 | 104.21.72.224 (ClassC) |
| 2024-08-23 | 104.21.31.81 (ClassC) |
| 2025-01-27 | 104.22.7.227 (ClassC) |
| 2025-05-06 | 172.67.74.22 (ClassC) |
| 2025-11-22 | 104.26.11.141 (ClassC) |
| Date | Domain | IP |
| api.leanlibrary.app | 2023-08-16 | 172.67.210.25 |
| cdn.leanlibrary.app | 2024-08-23 | 104.21.31.81 |
| cdn-dev.leanlibrary.app | 2024-08-22 | 104.21.31.81 |