| Date | IP Address |
| 2021-08-13 | 143.204.166.40 (ClassC) |
| 2021-09-23 | 13.249.135.30 (ClassC) |
| 2025-01-26 | 3.163.24.20 (ClassC) |
| 2025-03-11 | 3.165.160.72 (ClassC) |
| 2025-06-27 | 3.163.24.3 (ClassC) |
| 2025-08-12 | 3.163.24.2 (ClassC) |
| 2026-02-07 | 3.163.24.33 (ClassC) |
| Date | Domain | IP |
| cdn.tefl.org | 2024-12-25 | 108.138.94.23 |
| cdn-wp.tefl.org | 2026-01-24 | 3.169.173.68 |
| crmfiles.tefl.org | 2025-01-26 | 3.163.24.20 |
| courses.tefl.org | 2024-06-09 | 99.84.66.84 |
| class.tefl.org | 2024-07-25 | 18.238.217.31 |