PING www.yaxue027.com (154.85.245.4) 56(84) bytes of data.
64 bytes from 154.85.245.4 (154.85.245.4): icmp_seq=1 ttl=122 time=197 ms
64 bytes from 154.85.245.4 (154.85.245.4): icmp_seq=2 ttl=122 time=195 ms
64 bytes from 154.85.245.4 (154.85.245.4): icmp_seq=3 ttl=122 time=195 ms

--- www.yaxue027.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 195.897/196.497/197.660/0.822 ms