PING www.ruikaidan.com (183.136.138.172) 56(84) bytes of data.
64 bytes from 183.136.138.172 (183.136.138.172): icmp_seq=1 ttl=52 time=240 ms
64 bytes from 183.136.138.172 (183.136.138.172): icmp_seq=2 ttl=52 time=239 ms
64 bytes from 183.136.138.172 (183.136.138.172): icmp_seq=3 ttl=52 time=240 ms

--- www.ruikaidan.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 239.944/240.033/240.110/0.569 ms