PING tao.conf.cn.zb.v4.aserver.alibabacorp.com.gds.alibabadns.com (203.119.169.80) 56(84)
bytes of data.
64 bytes from 203.119.169.80 (203.119.169.80): icmp_seq=2 ttl=88 time=257 ms

--- tao.conf.cn.zb.v4.aserver.alibabacorp.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 1 received, 66% packet loss, time 2002ms
rtt min/avg/max/mdev = 257.772/257.772/257.772/0.000 ms