| 59.50.16.136 | 59.50.16.143 | HaiNan DongFang_DianXin_ShiXun_BeiYong,Haikou ci.. |
| 59.50.16.144 | 59.50.16.191 | CHINANET hainan province network China Telecom A.. |
| 59.50.16.192 | 59.50.16.255 | DongFang node IP DSLAM Network Device Management.. |
| 59.50.17.0 | 59.50.17.127 | DongFang node Fttx+LAN access user segment |
| 59.50.17.128 | 59.50.17.191 | DongFang node ADSL BRIDGE user segment |
| 59.50.17.192 | 59.50.17.207 | DongFang node WAN segment |
| 59.50.17.208 | 59.50.17.255 | CHINANET hainan province network China Telecom A.. |
| 59.50.18.0 | 59.50.23.255 | DongFang node Broad Band dialup ports |
| 59.50.24.0 | 59.50.27.255 | DongFang node Broad Band dialup pool |
| 59.50.28.0 | 59.50.31.255 | ChangJian node Broad Band dialup ports |