PING rongheedu.com (38.12.217.160) 56(84) bytes of data.
64 bytes from 38.12.217.160 (38.12.217.160): icmp_seq=1 ttl=124 time=150 ms
64 bytes from 38.12.217.160 (38.12.217.160): icmp_seq=2 ttl=124 time=149 ms
64 bytes from 38.12.217.160 (38.12.217.160): icmp_seq=3 ttl=124 time=149 ms

--- rongheedu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 149.694/149.956/150.400/0.446 ms