| Date | IP Address |
| 2016-07-25 | 52.85.209.61 (ClassC) |
| 2016-11-25 | 52.84.66.93 (ClassC) |
| 2017-03-20 | 52.84.3.86 (ClassC) |
| 2024-10-12 | 99.84.66.25 (ClassC) |
| 2025-01-19 | 99.84.66.103 (ClassC) |
| Date | Domain | IP |
| p1.591.com.hk | 2024-06-04 | 99.84.66.13 |
| pub.591.com.hk | 2024-10-12 | 99.84.66.25 |
| sale.591.com.hk | 2024-12-22 | 203.69.66.155 |
| statics.591.com.hk | 2024-09-18 | 99.84.66.25 |
| tajs.591.com.hk | 2024-10-04 | 18.238.217.25 |
| ms.591.com.hk | 2024-10-04 | 99.84.66.25 |
| rent.591.com.hk | 2024-11-17 | 203.69.66.155 |
| www.591.com.hk | 2013-12-05 | 203.119.2.120 |