| Date | IP Address |
| 2021-04-15 | 8.48.85.210 (ClassC) |
| 2022-05-23 | 163.181.65.225 (ClassC) |
| 2022-05-23 | 128.14.249.230 (ClassC) |
| 2022-05-23 | 163.181.65.226 (ClassC) |
| 2024-07-08 | 163.181.66.242 (ClassC) |
| 2024-08-01 | 47.246.24.222 (ClassC) |
| 2024-09-02 | 8.48.85.226 (ClassC) |
| 2025-03-06 | 163.181.60.223 (ClassC) |
| 2025-05-13 | 163.181.246.201 (ClassC) |
| 2025-06-20 | 47.246.23.181 (ClassC) |
| 2025-11-22 | 163.181.60.221 (ClassC) |
| Date | Domain | IP |
| docs.hksd.ottpayhk.com | 2024-07-03 | 8.48.85.240 |
| help.msp.ottpayhk.com | 2025-04-16 | 8.48.85.236 |
| agent.ottpayhk.com | 2024-07-08 | 163.181.66.242 |