| Date | IP Address |
| 2021-01-15 | 13.226.18.11 (ClassC) |
| 2021-01-15 | 13.226.18.31 (ClassC) |
| 2021-01-15 | 13.226.18.83 (ClassC) |
| 2024-02-16 | 204.246.191.46 (ClassC) |
| 2024-06-04 | 3.163.24.95 (ClassC) |
| 2024-09-10 | 204.246.191.123 (ClassC) |
| 2024-10-23 | 3.163.24.56 (ClassC) |
| 2024-11-04 | 204.246.191.22 (ClassC) |
| Date | Domain | IP |
| landing.pdfbutler.com | 2024-09-21 | 18.194.55.27 |
| assets.pdfbutler.com | 2024-02-16 | 204.246.191.46 |
| www.pdfbutler.com | 2024-05-25 | 18.159.190.130 |