PING markspy.com.cn (104.21.24.73) 56(84) bytes of data.
64 bytes from 104.21.24.73 (104.21.24.73): icmp_seq=1 ttl=60 time=6.73 ms
64 bytes from 104.21.24.73 (104.21.24.73): icmp_seq=2 ttl=60 time=4.11 ms
64 bytes from 104.21.24.73 (104.21.24.73): icmp_seq=3 ttl=60 time=4.29 ms

--- markspy.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.111/5.047/6.736/1.199 ms