PING ifpv.cn (47.109.92.171) 56(84) bytes of data.
64 bytes from 47.109.92.171 (47.109.92.171): icmp_seq=1 ttl=46 time=233 ms
64 bytes from 47.109.92.171 (47.109.92.171): icmp_seq=2 ttl=46 time=233 ms
64 bytes from 47.109.92.171 (47.109.92.171): icmp_seq=3 ttl=46 time=233 ms

--- ifpv.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 233.253/233.461/233.717/0.590 ms