PING ip-www.shjindiao.com (104.21.57.100) 56(84) bytes of data.
64 bytes from 104.21.57.100 (104.21.57.100): icmp_seq=1 ttl=59 time=4.92 ms
64 bytes from 104.21.57.100 (104.21.57.100): icmp_seq=2 ttl=59 time=4.82 ms
64 bytes from 104.21.57.100 (104.21.57.100): icmp_seq=3 ttl=59 time=4.87 ms

--- ip-www.shjindiao.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.828/4.875/4.920/0.088 ms