PING www.qqcan.cn (38.33.194.20) 56(84) bytes of data.
64 bytes from 38.33.194.20 (38.33.194.20): icmp_seq=1 ttl=121 time=145 ms
64 bytes from 38.33.194.20 (38.33.194.20): icmp_seq=2 ttl=121 time=144 ms

--- www.qqcan.cn ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2003ms
rtt min/avg/max/mdev = 144.817/145.234/145.652/0.565 ms