| 121.28.200.128 | 121.28.200.135 | Song Debahe Sharon network |
| 121.28.200.136 | 121.28.200.143 | China Unicom Hebei province network China Unicom.. |
| 121.28.200.144 | 121.28.200.151 | Mad Biao cafes |
| 121.28.200.152 | 121.28.201.255 | China Unicom Hebei province network China Unicom.. |
| 121.28.202.0 | 121.28.202.127 | The willow tree Xinzhuang Internet bar gathers |
| 121.28.202.128 | 121.28.202.255 | Economics and trade university 3552 |
| 121.28.203.0 | 121.28.203.23 | China Unicom Hebei province network China Unicom.. |
| 121.28.203.24 | 121.28.203.31 | North building reputation rapid multimedia class.. |
| 121.28.203.32 | 121.28.203.127 | China Unicom Hebei province network China Unicom.. |
| 121.28.203.128 | 121.28.203.159 | Economics and trade university |