| Date | IP Address |
| 2022-05-27 | 35.156.42.125 (ClassC) |
| 2023-08-09 | 3.122.31.75 (ClassC) |
| 2024-01-20 | 18.196.211.136 (ClassC) |
| 2024-12-06 | 35.158.0.182 (ClassC) |
| 2025-01-17 | 3.124.137.110 (ClassC) |
| 2025-02-22 | 35.157.18.221 (ClassC) |
| 2025-04-27 | 18.196.61.178 (ClassC) |
| 2025-06-25 | 3.124.212.145 (ClassC) |
| 2025-07-09 | 18.195.248.171 (ClassC) |
| 2025-07-12 | 3.120.42.145 (ClassC) |
| 2025-08-18 | 18.197.2.228 (ClassC) |
| 2025-08-28 | 52.29.170.70 (ClassC) |
| 2025-09-26 | 18.184.32.177 (ClassC) |
| 2025-11-21 | 3.121.36.216 (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 |