| Date | IP Address |
| 2023-08-15 | 104.21.14.48 (ClassC) |
| 2023-08-31 | 172.67.157.199 (ClassC) |
| 2025-07-22 | 104.26.5.4 (ClassC) |
| 2025-12-22 | 172.67.72.175 (ClassC) |
| 2026-01-26 | 104.26.4.4 (ClassC) |
| Date | Domain | IP |
| upload.youpdf.com | 2025-12-10 | 172.67.72.175 |
| www.youpdf.com | 2024-07-26 | 104.26.4.4 |