PING www.youxijibbs.cn (104.21.32.1) 56(84) bytes of data.
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=1 ttl=60 time=6.19 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=2 ttl=60 time=4.57 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=3 ttl=60 time=4.50 ms

--- www.youxijibbs.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2006ms
rtt min/avg/max/mdev = 4.506/5.090/6.190/0.780 ms