PING www.qileyuan.cn (172.67.220.112) 56(84) bytes of data.
64 bytes from 172.67.220.112 (172.67.220.112): icmp_seq=1 ttl=60 time=3.90 ms
64 bytes from 172.67.220.112 (172.67.220.112): icmp_seq=2 ttl=60 time=3.93 ms
64 bytes from 172.67.220.112 (172.67.220.112): icmp_seq=3 ttl=60 time=3.86 ms

--- www.qileyuan.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.861/3.903/3.939/0.032 ms