| 121.18.52.216 | 121.18.52.231 | China Unicom Hebei province network China Unicom.. |
| 121.18.52.232 | 121.18.52.239 | BD-ZHUO-ZHOU-ZHI-JIAO-ZHONG-XIN |
| 121.18.52.240 | 121.18.53.7 | China Unicom Hebei province network China Unicom.. |
| 121.18.53.8 | 121.18.53.15 | BD-BEI-JING-CAI-MAO-GUAN-LI-GAN-BU-XUE-YUAN |
| 121.18.53.16 | 121.18.53.55 | China Unicom Hebei province network China Unicom.. |
| 121.18.53.56 | 121.18.53.63 | BD-WU-TAN-JU-KE-JI-BU |
| 121.18.53.64 | 121.18.53.119 | China Unicom Hebei province network China Unicom.. |
| 121.18.53.120 | 121.18.53.127 | BD-ZHUOZHOU-SHIXIUPING |
| 121.18.53.128 | 121.18.54.95 | China Unicom Hebei province network China Unicom.. |
| 121.18.54.96 | 121.18.54.111 | BD-ZHONG-GUO-SHUI-DIAN-SI-JU-XIN-XI-ZI-XUN-ZHONG.. |