| Date | IP Address |
| 2021-03-18 | 52.84.127.46 (ClassC) |
| 2021-03-18 | 52.84.127.48 (ClassC) |
| 2021-03-18 | 52.84.127.83 (ClassC) |
| 2021-03-18 | 52.84.127.12 (ClassC) |
| 2024-09-17 | 204.246.191.73 (ClassC) |
| 2025-04-29 | 204.246.191.68 (ClassC) |
| 2025-07-02 | 3.163.24.40 (ClassC) |
| 2025-07-05 | 204.246.191.71 (ClassC) |
| 2026-01-31 | 3.163.24.61 (ClassC) |
| 2026-02-09 | 3.163.24.11 (ClassC) |
| 2026-02-18 | 3.163.24.47 (ClassC) |
| Date | Domain | IP |
| dev.service.howser.co.kr | 2025-07-19 | 18.161.6.115 |
| dev-api.howser.co.kr | 2024-07-09 | 18.161.6.58 |
| admin.howser.co.kr | 2024-09-17 | 204.246.191.73 |