PING www.ok-cn.com (38.28.204.25) 56(84) bytes of data.
64 bytes from 38.28.204.25 (38.28.204.25): icmp_seq=1 ttl=121 time=153 ms
64 bytes from 38.28.204.25 (38.28.204.25): icmp_seq=2 ttl=121 time=151 ms
64 bytes from 38.28.204.25 (38.28.204.25): icmp_seq=3 ttl=121 time=151 ms

--- www.ok-cn.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 151.834/152.512/153.775/1.000 ms