PING tufei520.com (38.48.243.93) 56(84) bytes of data.
64 bytes from 38.48.243.93 (38.48.243.93): icmp_seq=1 ttl=121 time=157 ms
64 bytes from 38.48.243.93 (38.48.243.93): icmp_seq=2 ttl=121 time=156 ms
64 bytes from 38.48.243.93 (38.48.243.93): icmp_seq=3 ttl=121 time=156 ms

--- tufei520.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 156.915/157.126/157.493/0.415 ms