| Date | IP Address |
| 2021-10-19 | 112.83.38.96 (ClassC) |
| 2024-12-21 | 58.144.195.63 (ClassC) |
| 2024-12-31 | 42.177.83.134 (ClassC) |
| 2025-01-14 | 61.240.220.86 (ClassC) |
| 2025-01-25 | 123.6.2.85 (ClassC) |
| 2025-03-23 | 202.97.231.78 (ClassC) |
| 2025-04-21 | 122.192.127.62 (ClassC) |
| 2025-04-24 | 175.43.192.134 (ClassC) |
| 2025-06-02 | 60.221.17.73 (ClassC) |
| Date | Domain | IP |
| sf1.fengyunpdf.com | 2024-11-22 | 42.177.83.225 |
| soft1.fengyunpdf.com | 2025-03-04 | 119.188.174.58 |
| soft3.fengyunpdf.com | 2024-12-21 | 58.144.195.63 |
| pdf.fengyunpdf.com | 2024-11-22 | 42.177.83.225 |
| sf.fengyunpdf.com | 2024-11-22 | 123.6.2.85 |
| www.fengyunpdf.com | 2025-05-07 | 122.226.167.208 |