| Date | IP Address |
| 2014-09-24 | 104.28.30.28 (ClassC) |
| 2014-09-24 | 104.28.31.28 (ClassC) |
| 2024-09-24 | 154.212.97.211 (ClassC) |
| 2025-09-13 | 59.106.191.205 (ClassC) |
| 2026-02-22 | 185.53.179.109 (ClassC) |
| Date | Domain | IP |
| www.paperfreeinvoice.com | 2014-08-29 | 104.28.31.28 |