Non-authoritative answer: jbshukong.cn.china.cn canonical name = *.cn.cn-ns.net. *.cn.cn-ns.net canonical name = corp-b.cn.cn-ns.net. Name: corp-b.cn.cn-ns.net Address: 124.238.254.72 Name: corp-b.cn.cn-ns.net Address: 124.238.254.73
windows: C:\Documents and Settings\huangzhibin>ping jbshukong.cn.china.cn
Pinging corp-s.cn.cn-ns.net with 32 bytes of data:
Reply from 221.194.134.65: bytes=32 time=45ms TTL=52
Ping statistics for 221.194.134.65: Packets: Sent = 1, Received = 1, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 45ms, Maximum = 45ms, Average = 45ms
