PING na61-na62.wagbridge.alibaba.1688.com.gds.alibabadns.com (203.119.169.77) 56(84) bytes
of data.
64 bytes from 203.119.169.77 (203.119.169.77): icmp_seq=1 ttl=88 time=250 ms
64 bytes from 203.119.169.77 (203.119.169.77): icmp_seq=3 ttl=88 time=250 ms

--- na61-na62.wagbridge.alibaba.1688.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2048ms
rtt min/avg/max/mdev = 250.017/250.178/250.339/0.161 ms