| Date | IP Address |
| 2018-09-22 | 208.113.152.209 (ClassC) |
| 2019-04-02 | 209.99.64.18 (ClassC) |
| 2019-11-21 | 52.58.78.16 (ClassC) |
| 2021-07-26 | 75.2.26.18 (ClassC) |
| 2021-07-26 | 99.83.153.108 (ClassC) |
| 2022-04-13 | 76.223.123.94 (ClassC) |
| 2022-04-13 | 76.76.21.142 (ClassC) |
| 2022-06-18 | 76.76.21.98 (ClassC) |
| 2022-06-18 | 76.76.21.123 (ClassC) |
| 2022-06-18 | 76.76.21.61 (ClassC) |
| 2025-09-25 | 162.241.24.71 (ClassC) |
| Date | Domain | IP |
| k12.stage.stutor.com | 2025-09-19 | 199.36.158.100 |
| www.stutor.com | 2018-09-22 | 208.113.152.209 |