PING www.n4268.cn (156.236.249.223) 56(84) bytes of data.
64 bytes from 156.236.249.223 (156.236.249.223): icmp_seq=1 ttl=121 time=145 ms
64 bytes from 156.236.249.223 (156.236.249.223): icmp_seq=2 ttl=121 time=142 ms
64 bytes from 156.236.249.223 (156.236.249.223): icmp_seq=3 ttl=121 time=148 ms

--- www.n4268.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 142.294/145.255/148.450/2.537 ms