PING www.qingdaoyy.com (47.109.47.143) 56(84) bytes of data.
64 bytes from 47.109.47.143 (47.109.47.143): icmp_seq=1 ttl=48 time=242 ms
64 bytes from 47.109.47.143 (47.109.47.143): icmp_seq=2 ttl=48 time=241 ms
64 bytes from 47.109.47.143 (47.109.47.143): icmp_seq=3 ttl=48 time=241 ms

--- www.qingdaoyy.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2023ms
rtt min/avg/max/mdev = 241.181/241.547/242.250/0.754 ms