PING www.zjrcedu.com (108.186.21.232) 56(84) bytes of data.
64 bytes from 108.186.21.232: icmp_seq=1 ttl=58 time=158 ms
64 bytes from 108.186.21.232: icmp_seq=2 ttl=58 time=158 ms
64 bytes from 108.186.21.232: icmp_seq=3 ttl=58 time=158 ms

--- www.zjrcedu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 6224ms
rtt min/avg/max/mdev = 158.194/158.377/158.709/0.400 ms