PING www.ydflw.com (154.209.181.245) 56(84) bytes of data.
64 bytes from 154.209.181.245 (154.209.181.245): icmp_seq=1 ttl=57 time=201 ms
64 bytes from 154.209.181.245 (154.209.181.245): icmp_seq=2 ttl=57 time=317 ms
64 bytes from 154.209.181.245 (154.209.181.245): icmp_seq=3 ttl=57 time=283 ms

--- www.ydflw.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 201.880/267.631/317.518/48.525 ms