PING www.yifann.com (38.239.10.38) 56(84) bytes of data.
64 bytes from 38.239.10.38 (38.239.10.38): icmp_seq=1 ttl=124 time=199 ms
64 bytes from 38.239.10.38 (38.239.10.38): icmp_seq=2 ttl=124 time=197 ms
64 bytes from 38.239.10.38 (38.239.10.38): icmp_seq=3 ttl=124 time=198 ms

--- www.yifann.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 197.716/198.559/199.680/0.902 ms