PING www.csyongjun.com (104.21.96.1) 56(84) bytes of data.
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=1 ttl=60 time=4.11 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=2 ttl=60 time=4.09 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=3 ttl=60 time=4.12 ms

--- www.csyongjun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 4.091/4.110/4.124/0.013 ms