PING www.longtuedu.com.cn--www.longtuedu.com.cn (69.87.207.186) 56(84) bytes of data.
64 bytes from 69.87.207.186 (69.87.207.186): icmp_seq=1 ttl=122 time=140 ms
64 bytes from 69.87.207.186 (69.87.207.186): icmp_seq=2 ttl=122 time=138 ms
64 bytes from 69.87.207.186 (69.87.207.186): icmp_seq=3 ttl=122 time=138 ms

--- www.longtuedu.com.cn--www.longtuedu.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 138.960/139.557/140.719/0.821 ms