| Date | IP Address |
| 2024-06-09 | 35.158.215.123 (ClassC) |
| 2024-09-16 | 18.194.32.64 (ClassC) |
| 2024-12-13 | 3.64.245.149 (ClassC) |
| 2025-07-02 | 18.195.113.130 (ClassC) |
| 2025-07-10 | 35.158.27.216 (ClassC) |
| 2025-08-13 | 3.77.84.189 (ClassC) |
| 2025-08-29 | 18.192.145.99 (ClassC) |
| Date | Domain | IP |
| infra.api.studycat.com | 2024-12-06 | 3.64.90.250 |
| store.api.studycat.com | 2025-07-22 | 35.157.42.162 |
| auth.api.studycat.com | 2024-06-09 | 35.158.215.123 |
| users.api.studycat.com | 2024-12-06 | 35.158.0.182 |
| auth.dev.studycat.com | 2025-01-25 | 18.238.217.128 |
| store.api.dev.studycat.com | 2025-02-03 | 3.69.202.167 |
| slack.api.dev.studycat.com | 2025-08-26 | 52.57.111.177 |
| www.studycat.com | 2025-05-09 | 104.26.1.203 |