- www.open.com.cn(800)
- learn.open.com.cn(39)
- ccaa.kaoshi.open.com.cn(12)
- os.open.com.cn(7)
- jxjh.open.com.cn(6)
- campus.open.com.cn(4)
- entrancetest.open.com.cn(3)
- open.com.cn(2)
- fjdzxxo.open.com.cn(2)
- eduadmin.open.com.cn(2)
- mail.open.com.cn(2)
- beijing.open.com.cn(1)
- shixun.open.com.cn(1)
- sxgs.open.com.cn(1)
- xmdd.open.com.cn(1)
- kaowu.open.com.cn(1)
- liuxue.open.com.cn(1)