| Date | IP Address |
| 2020-02-19 | 54.230.18.7 (ClassC) |
| 2021-06-17 | 13.226.189.62 (ClassC) |
| 2021-06-18 | 13.226.13.118 (ClassC) |
| 2021-06-18 | 13.226.13.75 (ClassC) |
| 2021-07-30 | 54.230.161.67 (ClassC) |
| 2021-12-19 | 54.230.15.63 (ClassC) |
| 2021-12-19 | 54.230.15.33 (ClassC) |
| 2022-05-18 | 13.249.94.42 (ClassC) |
| 2022-05-18 | 13.249.94.26 (ClassC) |
| 2024-07-20 | 204.246.191.83 (ClassC) |
| 2024-09-19 | 18.161.6.41 (ClassC) |
| 2025-01-28 | 18.238.217.79 (ClassC) |
| 2025-04-19 | 204.246.191.35 (ClassC) |
| 2025-08-01 | 204.246.191.96 (ClassC) |
| 2026-01-08 | 3.169.173.127 (ClassC) |
| 2026-01-14 | 3.169.173.102 (ClassC) |
| 2026-01-29 | 3.169.173.88 (ClassC) |
| Date | Domain | IP |
| app.klassroom.com | 2025-08-09 | 18.116.220.190 |
| ats-widget.klassroom.com | 2024-07-20 | 204.246.191.83 |
| www.klassroom.com | 2024-12-26 | 23.227.38.74 |