PING hengrui22.qjy168.com (75.2.73.19) 56(84) bytes of data.
64 bytes from 75.2.73.19 (75.2.73.19): icmp_seq=1 ttl=251 time=8.24 ms
64 bytes from 75.2.73.19 (75.2.73.19): icmp_seq=2 ttl=251 time=8.09 ms
64 bytes from 75.2.73.19 (75.2.73.19): icmp_seq=3 ttl=251 time=8.02 ms

--- hengrui22.qjy168.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 8.027/8.121/8.244/0.090 ms