PING www.6st.cn (211.149.238.248) 56(84) bytes of data.
64 bytes from 211.149.238.248: icmp_seq=1 ttl=54 time=281 ms
64 bytes from 211.149.238.248: icmp_seq=2 ttl=54 time=278 ms
64 bytes from 211.149.238.248: icmp_seq=3 ttl=54 time=280 ms

--- www.6st.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 4911ms
rtt min/avg/max/mdev = 278.573/280.372/281.664/1.447 ms