PING tz2100.com.ctacdn.cn (171.105.62.2) 56(84) bytes of data.
64 bytes from 171.105.62.2 (171.105.62.2): icmp_seq=1 ttl=53 time=307 ms
64 bytes from 171.105.62.2 (171.105.62.2): icmp_seq=2 ttl=53 time=305 ms
64 bytes from 171.105.62.2 (171.105.62.2): icmp_seq=3 ttl=53 time=304 ms

--- tz2100.com.ctacdn.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 304.453/305.763/307.025/1.229 ms