PING com-www.shanghaicaidi.com (172.67.220.152) 56(84) bytes of data.
64 bytes from 172.67.220.152 (172.67.220.152): icmp_seq=1 ttl=60 time=6.17 ms
64 bytes from 172.67.220.152 (172.67.220.152): icmp_seq=2 ttl=60 time=3.99 ms
64 bytes from 172.67.220.152 (172.67.220.152): icmp_seq=3 ttl=60 time=4.06 ms

--- com-www.shanghaicaidi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 3.996/4.745/6.176/1.014 ms