| 59.50.80.0 | 59.50.81.255 | HaiDian node Broad Band dialup pool-2 |
| 59.50.82.0 | 59.50.82.127 | HaiDian node Fttx+Lan Network Device Management-.. |
| 59.50.82.128 | 59.50.82.255 | CHINANET hainan province network China Telecom A.. |
| 59.50.83.0 | 59.50.83.255 | HaiDian node Broad Band dialup pool-3 |
| 59.50.84.0 | 59.50.84.127 | HaiDian node Fttx+LAN access user segment FOR 85.. |
| 59.50.84.128 | 59.50.84.255 | CHINANET hainan province network China Telecom A.. |
| 59.50.85.0 | 59.50.85.255 | HaiDian node Fttx+LAN access user segment FOR 85.. |
| 59.50.86.0 | 59.50.87.255 | CHINANET hainan province network China Telecom A.. |
| 59.50.88.0 | 59.50.88.127 | JieFang node DSLAM Network Device Management |
| 59.50.88.128 | 59.50.88.143 | JieFang node WAN segment |