PING pro-shenzhen1.cn.roowei.com (208.98.40.220) 56(84) bytes of data.
64 bytes from 208.98.40.220: icmp_seq=1 ttl=59 time=148 ms
64 bytes from 208.98.40.220: icmp_seq=2 ttl=59 time=148 ms
64 bytes from 208.98.40.220: icmp_seq=3 ttl=59 time=148 ms

--- pro-shenzhen1.cn.roowei.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 148.694/148.810/148.917/0.454 ms