| 121.28.5.24 | 121.28.5.31 | Day great wild goose building |
| 121.28.5.32 | 121.28.5.39 | Hebei negotiable securities |
| 121.28.5.40 | 121.28.5.47 | China Unicom Hebei province network China Unicom.. |
| 121.28.5.48 | 121.28.5.63 | North electric network communication company |
| 121.28.5.64 | 121.28.5.71 | China Unicom Hebei province network China Unicom.. |
| 121.28.5.72 | 121.28.5.79 | Inscription ten thousand information technology .. |
| 121.28.5.80 | 121.28.5.87 | China Unicom Hebei province network China Unicom.. |
| 121.28.5.88 | 121.28.5.95 | Dichroa febrifuga spinning and weaving group cot.. |
| 121.28.5.96 | 121.28.5.103 | Opens the bright stars---Fortress main engine |
| 121.28.5.104 | 121.28.5.111 | Com,ShiJiaZhuang City,HeBei Province |