| Date | IP Address |
| 2024-04-22 | 104.21.21.68 (ClassC) |
| 2025-01-26 | 156.67.75.79 (ClassC) |
| 2025-08-13 | 107.150.97.58 (ClassC) |
| 2026-01-08 | 16.163.201.39 (ClassC) |
| Date | Domain | IP |
| mail.onwamarine.com | 2025-05-25 | 45.121.199.31 |
| products.onwamarine.com | 2025-09-08 | 199.115.230.226 |
| prev.onwamarine.com | 2025-09-08 | 45.121.197.60 |
| www.onwamarine.com | 2025-03-27 | 156.67.75.79 |