| 59.50.1.192 | 59.50.1.255 | BaiSha node ATM DSLAM Network Device Management |
| 59.50.2.0 | 59.50.3.255 | BaiSha node Broad Band dialup pool 2 For 5200G |
| 59.50.4.0 | 59.50.7.255 | BaiSha node Broad Band dialup ports |
| 59.50.8.0 | 59.50.8.31 | ChangJiang Network Device |
| 59.50.8.32 | 59.50.8.63 | CHINANET hainan province network China Telecom A.. |
| 59.50.8.64 | 59.50.8.127 | ChangJiang node DSLAM Network Device Management |
| 59.50.8.128 | 59.50.8.135 | CHINANET hainan province network China Telecom A.. |
| 59.50.8.136 | 59.50.8.143 | HaiNan ChangJiang_DianXin_ShiXun_BeiYong,Haikou .. |
| 59.50.8.144 | 59.50.8.191 | CHINANET hainan province network China Telecom A.. |
| 59.50.8.192 | 59.50.8.255 | ChangJiang node Fttx+LAN access user segment |