PING lxren.cn (104.21.80.1) 56(84) bytes of data.
64 bytes from 104.21.80.1 (104.21.80.1): icmp_seq=1 ttl=60 time=5.97 ms
64 bytes from 104.21.80.1 (104.21.80.1): icmp_seq=2 ttl=60 time=4.11 ms
64 bytes from 104.21.80.1 (104.21.80.1): icmp_seq=3 ttl=60 time=4.06 ms

--- lxren.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.066/4.718/5.978/0.892 ms