PING www.zeihaokan.com (154.220.40.4) 56(84) bytes of data.
64 bytes from 154.220.40.4 (154.220.40.4): icmp_seq=1 ttl=58 time=270 ms
64 bytes from 154.220.40.4 (154.220.40.4): icmp_seq=2 ttl=58 time=271 ms
64 bytes from 154.220.40.4 (154.220.40.4): icmp_seq=3 ttl=58 time=220 ms

--- www.zeihaokan.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 220.100/254.022/271.063/23.994 ms