PING baby.zjtree.com (43.138.33.6) 56(84) bytes of data.
64 bytes from 43.138.33.6 (43.138.33.6): icmp_seq=1 ttl=51 time=296 ms
64 bytes from 43.138.33.6 (43.138.33.6): icmp_seq=2 ttl=51 time=292 ms
64 bytes from 43.138.33.6 (43.138.33.6): icmp_seq=3 ttl=51 time=295 ms

--- baby.zjtree.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 292.650/294.885/296.699/1.679 ms