PING useast-scproxy.alibaba.com.gds.alibabadns.com (47.246.136.21) 56(84) bytes of data.
64 bytes from 47.246.136.21 (47.246.136.21): icmp_seq=1 ttl=97 time=88.3 ms
64 bytes from 47.246.136.21 (47.246.136.21): icmp_seq=2 ttl=97 time=87.8 ms
64 bytes from 47.246.136.21 (47.246.136.21): icmp_seq=3 ttl=97 time=87.8 ms

--- useast-scproxy.alibaba.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 87.806/88.012/88.383/0.357 ms