PING www.pmma-pa.cn (207.56.151.28) 56(84) bytes of data.
64 bytes from 207.56.151.28 (207.56.151.28): icmp_seq=1 ttl=122 time=199 ms
64 bytes from 207.56.151.28 (207.56.151.28): icmp_seq=2 ttl=122 time=199 ms
64 bytes from 207.56.151.28 (207.56.151.28): icmp_seq=3 ttl=122 time=199 ms

--- www.pmma-pa.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 199.556/199.624/199.746/0.086 ms