| 59.50.9.0 | 59.50.9.63 | ChangJiang node ADSL BRIDGE user segment |
| 59.50.9.64 | 59.50.9.79 | ChangJiang node WAN segment |
| 59.50.9.80 | 59.50.9.191 | CHINANET hainan province network China Telecom A.. |
| 59.50.9.192 | 59.50.9.255 | ChangJiang node ATM DSLAM Network Device Managem.. |
| 59.50.10.0 | 59.50.11.255 | CHINANET hainan province network China Telecom A.. |
| 59.50.12.0 | 59.50.15.255 | ChangJiang node Broad Band dialup ports |
| 59.50.16.0 | 59.50.16.31 | DongFang Network Device |
| 59.50.16.32 | 59.50.16.63 | CHINANET hainan province network China Telecom A.. |
| 59.50.16.64 | 59.50.16.127 | DongFang node DSLAM Network Device Management |
| 59.50.16.128 | 59.50.16.135 | CHINANET hainan province network China Telecom A.. |