| Date | IP Address |
| 2011-10-13 | 69.73.158.224 (ClassC) |
| 2015-01-06 | 5.9.114.148 (ClassC) |
| 2024-10-06 | 5.9.174.139 (ClassC) |
| 2025-01-06 | 148.251.92.35 (ClassC) |
| Date | Domain | IP |
| activate.earmaster.com | 2024-02-12 | 142.250.217.83 |
| www.earmaster.com | 2024-10-26 | 5.9.174.139 |