PING na61-na62.wagbridge.alibaba.alibaba.com.gds.alibabadns.com (203.119.144.20) 56(84)
bytes of data.
64 bytes from 203.119.144.20 (203.119.144.20): icmp_seq=1 ttl=90 time=243 ms
64 bytes from 203.119.144.20 (203.119.144.20): icmp_seq=2 ttl=90 time=281 ms
64 bytes from 203.119.144.20 (203.119.144.20): icmp_seq=3 ttl=90 time=254 ms

--- na61-na62.wagbridge.alibaba.alibaba.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 243.507/260.057/281.951/16.143 ms