PING shengyuansd.com (104.21.78.249) 56(84) bytes of data.
64 bytes from 104.21.78.249 (104.21.78.249): icmp_seq=1 ttl=60 time=5.18 ms
64 bytes from 104.21.78.249 (104.21.78.249): icmp_seq=2 ttl=60 time=4.81 ms
64 bytes from 104.21.78.249 (104.21.78.249): icmp_seq=3 ttl=60 time=4.80 ms

--- shengyuansd.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.800/4.932/5.183/0.177 ms