| 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) |
| 2025-01-26 | 157.185.156.194 (ClassC) |
| 2025-02-12 | 138.113.24.64 (ClassC) |
| 2025-05-23 | 140.150.36.51 (ClassC) |
| 2025-06-28 | 157.185.145.100 (ClassC) |
| 2025-08-07 | 157.185.175.102 (ClassC) |
| Date | Domain | IP |
| dpdcs2.4399sy.com.hk | 2024-08-29 | 157.185.169.206 |
| a.4399sy.com.hk | 2025-02-26 | 157.185.145.100 |
| sy-cdnpkg.4399sy.com.hk | 2023-07-20 | 157.185.169.206 |
| scenter1-mix-tw-rxjh.4399sy.com.hk | 2025-07-26 | 175.97.133.95 |
| pcsdk.4399sy.com.hk | 2025-07-26 | 157.185.145.100 |
| sy-cdnres.4399sy.com.hk | 2025-03-04 | 140.150.36.51 |
| www.4399sy.com.hk | 2024-08-31 | 157.185.169.206 |