PING www.299.com.cn (183.136.182.5) 56(84) bytes of data.
64 bytes from 183.136.182.5 (183.136.182.5): icmp_seq=1 ttl=50 time=247 ms
64 bytes from 183.136.182.5 (183.136.182.5): icmp_seq=2 ttl=50 time=247 ms
64 bytes from 183.136.182.5 (183.136.182.5): icmp_seq=3 ttl=50 time=247 ms

--- www.299.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 247.420/247.481/247.562/0.059 ms