PING www.yixuewu.com (155.159.236.199) 56(84) bytes of data.
64 bytes from 155.159.236.199: icmp_seq=1 ttl=57 time=226 ms
64 bytes from 155.159.236.199: icmp_seq=2 ttl=57 time=225 ms
64 bytes from 155.159.236.199: icmp_seq=3 ttl=57 time=225 ms

--- www.yixuewu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 225.675/225.986/226.558/0.560 ms