210.31.0.0 - 210.31.15.255 (CUN-CN) ~{VPQkCqWe4sQ'~}; Centre University For Nationalities; Beijing 100081, China; CN
210.31.16.0 - 210.31.31.255 (HDTV-CN) ~{11>)JP:#5mGx9c2%>VMxBgVPPD~}; Network Center Of Haidian District Broadcast Bureau; Beijing 100001, China; CN
210.31.32.0 - 210.31.47.255 (BIPT-CN) ~{11>)J/SM;/9$Q'T:~}; Beijing Institute Of Petro-chemical Technology; Beijing 102600, China; CN
210.31.128.0 - 210.31.143.255 (TJLIU-CN) ~{Ll=rGa9$R5Q'T:~}; Tianjin University Of Light Industry; Tianjin 300222, China; CN
210.31.224.0 - 210.31.239.255 (NCIAE-CN) ~{;*11:=Ll9$R5Q'T:~}; North China Institute Of Astronautic Engineering; Langfang, Hebei 065000, China; CN
210.31.240.0 - 210.31.247.255 (QHDRTVU-CN) ~{GX;J5:9c2%5gJS4sQ'~}; Qinhuangdao, Radio and Television; Qinhuangdao, Hebei 066001, China; CN
210.31.248.0 - 210.31.255.255 (SJZTC-CN) ~{J/<RW/J&76W(?FQ'P#~}; Shijiazhuang Teachers College; Shijiazhuang, Hebei 050801, China; CN