| Date | IP Address |
| 2020-05-16 | 54.230.29.48 (ClassC) |
| 2020-07-25 | 13.249.39.110 (ClassC) |
| 2020-07-29 | 99.84.178.109 (ClassC) |
| 2020-07-31 | 13.32.87.117 (ClassC) |
| 2020-07-31 | 13.32.87.48 (ClassC) |
| 2020-08-17 | 99.84.114.113 (ClassC) |
| 2020-08-17 | 99.84.114.23 (ClassC) |
| 2020-08-17 | 99.84.114.45 (ClassC) |
| 2020-08-23 | 99.84.112.119 (ClassC) |
| 2020-08-23 | 99.84.112.15 (ClassC) |
| 2020-08-30 | 13.32.82.82 (ClassC) |
| 2020-09-12 | 13.249.40.14 (ClassC) |
| 2020-09-12 | 13.249.40.7 (ClassC) |
| 2024-11-07 | 76.76.21.21 (ClassC) |
| 2026-01-03 | 23.227.38.65 (ClassC) |
| Date | Domain | IP |
| admin-staging.fourthtone.com | 2024-02-15 | 204.246.191.50 |
| admin.fourthtone.com | 2024-07-01 | 3.163.24.60 |
| audio.fourthtone.com | 2024-02-22 | 204.246.191.97 |
| images.fourthtone.com | 2023-07-08 | 99.84.66.96 |