PING pro-www.xi2qi.com (104.21.16.1) 56(84) bytes of data.
64 bytes from 104.21.16.1 (104.21.16.1): icmp_seq=1 ttl=60 time=5.50 ms
64 bytes from 104.21.16.1 (104.21.16.1): icmp_seq=2 ttl=60 time=4.21 ms
64 bytes from 104.21.16.1 (104.21.16.1): icmp_seq=3 ttl=60 time=4.28 ms

--- pro-www.xi2qi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 4.217/4.669/5.506/0.594 ms