PING www.sdyxchem.cn (43.249.79.163) 56(84) bytes of data.
64 bytes from 43.249.79.163 (43.249.79.163): icmp_seq=1 ttl=122 time=263 ms
64 bytes from 43.249.79.163 (43.249.79.163): icmp_seq=2 ttl=122 time=262 ms
64 bytes from 43.249.79.163 (43.249.79.163): icmp_seq=3 ttl=122 time=262 ms

--- www.sdyxchem.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 262.531/262.783/263.178/0.655 ms