| Date | IP Address |
| 2020-12-09 | 104.18.21.204 (ClassC) |
| 2026-01-23 | 104.18.25.176 (ClassC) |
| 2026-03-02 | 104.18.24.176 (ClassC) |
| Date | Domain | IP |
| pda.zolldeviceregistration.com | 2025-09-02 | 104.18.25.176 |
| webmail.zolldeviceregistration.com | 2026-02-22 | 104.18.24.176 |
| smtp.zolldeviceregistration.com | 2025-04-22 | 104.18.24.176 |
| www.zolldeviceregistration.com | 2026-01-27 | 104.18.25.176 |