PING www.yckfw.com (172.67.139.36) 56(84) bytes of data.
64 bytes from 172.67.139.36 (172.67.139.36): icmp_seq=1 ttl=59 time=5.27 ms
64 bytes from 172.67.139.36 (172.67.139.36): icmp_seq=2 ttl=59 time=5.10 ms
64 bytes from 172.67.139.36 (172.67.139.36): icmp_seq=3 ttl=59 time=5.05 ms

--- www.yckfw.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 5.057/5.143/5.270/0.091 ms