PING www.dulituan.cn (38.239.249.86) 56(84) bytes of data.
64 bytes from 38.239.249.86 (38.239.249.86): icmp_seq=1 ttl=120 time=223 ms
64 bytes from 38.239.249.86 (38.239.249.86): icmp_seq=2 ttl=120 time=223 ms
64 bytes from 38.239.249.86 (38.239.249.86): icmp_seq=3 ttl=120 time=223 ms

--- www.dulituan.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 223.189/223.473/223.998/0.371 ms