| Date | IP Address |
| 2020-08-27 | 13.249.94.60 (ClassC) |
| 2020-08-27 | 13.249.94.85 (ClassC) |
| 2020-08-27 | 13.249.94.11 (ClassC) |
| 2020-08-27 | 13.249.94.126 (ClassC) |
| 2024-09-19 | 3.163.24.28 (ClassC) |
| 2024-09-30 | 3.163.24.61 (ClassC) |
| 2024-12-27 | 13.224.14.44 (ClassC) |
| 2025-01-31 | 13.224.14.52 (ClassC) |
| 2025-03-30 | 3.163.24.39 (ClassC) |
| 2025-04-12 | 3.163.24.13 (ClassC) |
| 2025-05-14 | 3.175.34.48 (ClassC) |
| 2025-08-05 | 3.175.34.42 (ClassC) |
| 2025-08-12 | 3.175.34.55 (ClassC) |
| Date | Domain | IP |
| mx10.groundschool.com | 2024-07-04 | 3.163.24.39 |
| captiveportal101.groundschool.com | 2024-06-29 | 3.163.24.89 |
| mail9.groundschool.com | 2024-02-16 | 3.163.24.39 |
| comune.groundschool.com | 2024-02-20 | 3.163.24.13 |
| pilotrise.groundschool.com | 2024-08-08 | 3.163.24.39 |
| auth.groundschool.com | 2024-03-10 | 204.246.191.70 |
| 3423069cfi.groundschool.com | 2024-08-13 | 3.163.24.28 |
| api.groundschool.com | 2024-06-07 | 204.246.191.69 |
| flyfallbrook.groundschool.com | 2024-07-28 | 3.163.24.61 |
| faa-ppl.groundschool.com | 2024-03-15 | 3.163.24.61 |
| cdn.groundschool.com | 2024-02-20 | 204.246.191.38 |
| blackhoundaviation.groundschool.com | 2024-09-19 | 3.163.24.28 |
| aboveaviation.groundschool.com | 2024-02-29 | 13.227.74.23 |
| art.groundschool.com | 2024-11-29 | 3.163.24.28 |
| www.groundschool.com | 2025-02-04 | 99.86.38.110 |