PING na61-na62.wagbridge.alibaba.1688.com.gds.alibabadns.com (203.119.169.25) 56(84) bytes
of data.
64 bytes from 203.119.169.25 (203.119.169.25): icmp_seq=1 ttl=87 time=291 ms

--- na61-na62.wagbridge.alibaba.1688.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 1 received, 66% packet loss, time 2049ms
rtt min/avg/max/mdev = 291.925/291.925/291.925/0.000 ms