PING qingfong.svfree.net (154.48.244.48) 56(84) bytes of data.
64 bytes from 154.48.244.48 (154.48.244.48): icmp_seq=1 ttl=58 time=251 ms
64 bytes from 154.48.244.48 (154.48.244.48): icmp_seq=2 ttl=58 time=250 ms
64 bytes from 154.48.244.48 (154.48.244.48): icmp_seq=3 ttl=58 time=250 ms

--- qingfong.svfree.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 250.045/250.486/251.361/0.846 ms