PING www.dgfloor.cn (38.31.193.221) 56(84) bytes of data.
64 bytes from 38.31.193.221 (38.31.193.221): icmp_seq=1 ttl=123 time=148 ms
64 bytes from 38.31.193.221 (38.31.193.221): icmp_seq=2 ttl=123 time=148 ms
64 bytes from 38.31.193.221 (38.31.193.221): icmp_seq=3 ttl=123 time=148 ms

--- www.dgfloor.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 148.172/148.470/148.917/0.548 ms