| Date | IP Address |
| 2020-06-12 | 23.45.183.168 (ClassC) |
| 2023-04-14 | 23.202.90.74 (ClassC) |
| 2025-04-14 | 23.46.228.169 (ClassC) |
| 2025-05-20 | 23.216.147.172 (ClassC) |
| 2026-02-09 | 23.192.230.83 (ClassC) |
| Date | Domain | IP |
| www.chinese.tdameritrade.com.hk | 2024-02-19 | 104.96.163.199 |
| invest.tdameritrade.com.hk | 2024-10-20 | 23.46.17.22 |
| www.tdameritrade.com.hk | 2025-04-14 | 23.46.228.169 |