| Date | IP Address |
| 2024-11-25 | 23.54.19.194 (ClassC) |
| 2025-03-02 | 23.64.141.233 (ClassC) |
| 2025-11-18 | 23.216.147.208 (ClassC) |
| Date | Domain | IP |
| ebanking.ocbc.com.hk | 2024-11-25 | 104.70.127.52 |
| www.email.ocbc.com.hk | 2025-10-23 | 23.216.147.208 |
| m.ocbc.com.hk | 2024-11-25 | 23.46.17.62 |
| www.ocbc.com.hk | 2024-11-25 | 23.54.19.194 |