| Date | IP Address |
| 2017-07-21 | 63.238.251.82 (ClassC) |
| 2017-07-24 | 23.218.156.250 (ClassC) |
| 2019-06-28 | 157.185.170.143 (ClassC) |
| 2019-06-28 | 157.185.146.132 (ClassC) |
| 2022-03-10 | 157.185.155.6 (ClassC) |
| 2023-07-20 | 157.185.169.206 (ClassC) |
| 2024-03-10 | 157.185.145.100 (ClassC) |
| 2024-09-16 | 157.185.175.102 (ClassC) |
| 2024-12-06 | 138.113.24.64 (ClassC) |
| 2025-01-26 | 157.185.156.194 (ClassC) |
| Date | Domain | IP |
| dpdcs2.4399sy.com.hk | 2024-06-30 | 157.185.145.100 |
| sy-cdnpkg.4399sy.com.hk | 2023-07-20 | 157.185.169.206 |
| www.4399sy.com.hk | 2024-05-23 | 157.185.156.194 |