PING underground-zxc00.cn.roowei.com (208.98.40.40) 56(84) bytes of data.
64 bytes from 208.98.40.40: icmp_seq=1 ttl=59 time=150 ms
64 bytes from 208.98.40.40: icmp_seq=2 ttl=59 time=150 ms
64 bytes from 208.98.40.40: icmp_seq=3 ttl=59 time=150 ms

--- underground-zxc00.cn.roowei.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2451ms
rtt min/avg/max/mdev = 150.287/150.423/150.637/0.153 ms