| Date | IP Address |
| 2021-12-26 | 52.222.149.122 (ClassC) |
| 2022-01-04 | 13.225.63.9 (ClassC) |
| 2022-02-08 | 108.156.107.94 (ClassC) |
| 2024-01-11 | 204.246.191.16 (ClassC) |
| 2024-03-26 | 204.246.191.6 (ClassC) |
| 2024-09-13 | 204.246.191.36 (ClassC) |
| 2024-09-13 | 3.168.2.77 (ClassC) |
| 2024-09-13 | 65.9.95.65 (ClassC) |
| 2024-09-22 | 65.9.95.83 (ClassC) |
| 2024-11-14 | 204.246.191.48 (ClassC) |
| 2024-12-28 | 3.160.5.68 (ClassC) |
| 2025-03-05 | 3.166.96.125 (ClassC) |
| 2025-03-09 | 18.67.0.4 (ClassC) |
| 2025-05-17 | 99.86.91.87 (ClassC) |
| 2025-08-21 | 104.26.7.40 (ClassC) |
| 2025-12-15 | 104.26.6.40 (ClassC) |
| Date | Domain | IP |
| forum.exercism.org | 2024-10-22 | 3.163.24.56 |
| assets.exercism.org | 2024-09-09 | 99.84.66.26 |