PING zzlshyan.51.com (152.136.248.78) 56(84) bytes of data.
64 bytes from 152.136.248.78 (152.136.248.78): icmp_seq=1 ttl=54 time=290 ms
64 bytes from 152.136.248.78 (152.136.248.78): icmp_seq=2 ttl=54 time=290 ms
64 bytes from 152.136.248.78 (152.136.248.78): icmp_seq=3 ttl=54 time=290 ms

--- zzlshyan.51.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 290.389/290.615/290.959/0.247 ms