| Date | IP Address |
| 2019-06-21 | 52.10.1.205 (ClassC) |
| 2023-08-26 | 44.236.78.117 (ClassC) |
| 2024-08-06 | 44.237.19.78 (ClassC) |
| 2024-08-08 | 35.162.7.62 (ClassC) |
| 2024-09-22 | 34.211.123.210 (ClassC) |
| 2024-10-27 | 44.236.249.9 (ClassC) |
| 2024-12-09 | 44.230.105.175 (ClassC) |
| 2025-01-09 | 52.10.80.110 (ClassC) |
| 2025-01-17 | 34.208.210.11 (ClassC) |
| 2025-04-19 | 54.189.152.166 (ClassC) |
| 2025-06-25 | 44.240.151.120 (ClassC) |
| 2025-08-15 | 52.24.99.246 (ClassC) |
| 2025-09-08 | 44.231.18.232 (ClassC) |
| 2026-03-07 | 54.149.194.109 (ClassC) |
| Date | Domain | IP |
| api.us-west-2.koireader.com | 2024-12-01 | 52.24.33.152 |
| alertmanager.corp.koireader.com | 2025-05-15 | 34.214.119.226 |
| notifications-ws.koireader.com | 2025-09-08 | 44.231.18.232 |
| www.koireader.com | 2024-11-25 | 44.230.105.175 |