PING tianjindx.520edu.com (154.212.4.33) 56(84) bytes of data.
64 bytes from 154.212.4.33 (154.212.4.33): icmp_seq=1 ttl=54 time=151 ms
64 bytes from 154.212.4.33 (154.212.4.33): icmp_seq=2 ttl=54 time=149 ms
64 bytes from 154.212.4.33 (154.212.4.33): icmp_seq=3 ttl=54 time=149 ms

--- tianjindx.520edu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 149.405/150.227/151.777/1.141 ms