PING www.yaoyuji.com (156.254.144.175) 56(84) bytes of data.
64 bytes from 156.254.144.175 (156.254.144.175): icmp_seq=1 ttl=55 time=249 ms
64 bytes from 156.254.144.175 (156.254.144.175): icmp_seq=2 ttl=55 time=246 ms
64 bytes from 156.254.144.175 (156.254.144.175): icmp_seq=3 ttl=55 time=246 ms

--- www.yaoyuji.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 246.572/247.496/249.322/1.291 ms