PING wljy.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=56 time=154 ms
64 bytes from 154.212.4.33 (154.212.4.33): icmp_seq=2 ttl=56 time=152 ms
64 bytes from 154.212.4.33 (154.212.4.33): icmp_seq=3 ttl=56 time=152 ms

--- wljy.520edu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2017ms
rtt min/avg/max/mdev = 152.654/153.384/154.788/1.043 ms