| Date | IP Address |
| 2021-09-16 | 13.249.135.39 (ClassC) |
| 2021-09-16 | 13.249.135.89 (ClassC) |
| 2025-01-25 | 18.238.217.128 (ClassC) |
| 2025-02-26 | 18.238.217.84 (ClassC) |
| 2025-07-15 | 18.161.6.5 (ClassC) |
| 2025-09-04 | 18.161.6.32 (ClassC) |
| 2025-09-30 | 18.161.6.108 (ClassC) |
| 2025-11-19 | 18.161.6.65 (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 |
| connect.api.studycat.com | 2025-11-19 | 52.29.122.96 |
| 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 |