PING www.sjjdy.com (123.57.17.108) 56(84) bytes of data.
64 bytes from 123.57.17.108 (123.57.17.108): icmp_seq=1 ttl=53 time=266 ms
64 bytes from 123.57.17.108 (123.57.17.108): icmp_seq=2 ttl=53 time=280 ms
64 bytes from 123.57.17.108 (123.57.17.108): icmp_seq=3 ttl=53 time=287 ms

--- www.sjjdy.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 266.925/278.188/287.627/8.560 ms