PING chengming5.com (168.76.55.129) 56(84) bytes of data.
64 bytes from 168.76.55.129 (168.76.55.129): icmp_seq=1 ttl=121 time=199 ms
64 bytes from 168.76.55.129 (168.76.55.129): icmp_seq=2 ttl=121 time=197 ms
64 bytes from 168.76.55.129 (168.76.55.129): icmp_seq=3 ttl=121 time=197 ms

--- chengming5.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 197.296/197.977/199.306/0.939 ms