PING www.mgyun.com (172.67.161.203) 56(84) bytes of data.
64 bytes from 172.67.161.203 (172.67.161.203): icmp_seq=1 ttl=60 time=7.62 ms
64 bytes from 172.67.161.203 (172.67.161.203): icmp_seq=2 ttl=60 time=4.13 ms
64 bytes from 172.67.161.203 (172.67.161.203): icmp_seq=3 ttl=60 time=4.15 ms

--- www.mgyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 4.139/5.303/7.622/1.641 ms