| Date | IP Address |
| 2024-05-03 | 52.29.206.108 (ClassC) |
| 2025-03-06 | 3.77.76.27 (ClassC) |
| 2025-07-22 | 35.157.42.162 (ClassC) |
| 2025-09-05 | 18.158.165.237 (ClassC) |
| 2025-09-13 | 3.65.63.222 (ClassC) |
| 2025-11-14 | 3.78.19.43 (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 |
| infra.api.dev.studycat.com | 2025-09-24 | 18.196.75.199 |
| store.api.dev.studycat.com | 2025-02-03 | 3.69.202.167 |
| auth.api.dev.studycat.com | 2025-08-31 | 18.195.67.98 |
| slack.api.dev.studycat.com | 2025-08-26 | 52.57.111.177 |
| users.api.dev.studycat.com | 2025-10-10 | 54.93.204.119 |
| www.studycat.com | 2025-07-09 | 172.67.68.222 |