PING www.qhshu.com (121.62.19.172) 56(84) bytes of data.
64 bytes from 121.62.19.172 (121.62.19.172): icmp_seq=1 ttl=49 time=275 ms
64 bytes from 121.62.19.172 (121.62.19.172): icmp_seq=2 ttl=49 time=274 ms
64 bytes from 121.62.19.172 (121.62.19.172): icmp_seq=3 ttl=49 time=274 ms

--- www.qhshu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 274.597/274.880/275.179/0.237 ms