PING proxy.ganqi.net (117.21.246.54) 56(84) bytes of data.
64 bytes from 117.21.246.54 (117.21.246.54): icmp_seq=1 ttl=55 time=283 ms
64 bytes from 117.21.246.54 (117.21.246.54): icmp_seq=2 ttl=55 time=282 ms
64 bytes from 117.21.246.54 (117.21.246.54): icmp_seq=3 ttl=55 time=282 ms

--- proxy.ganqi.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 282.535/282.775/283.097/0.494 ms