PING com-t.wangjianran.com (38.33.215.156) 56(84) bytes of data.
64 bytes from 38.33.215.156 (38.33.215.156): icmp_seq=1 ttl=57 time=143 ms
64 bytes from 38.33.215.156 (38.33.215.156): icmp_seq=2 ttl=57 time=142 ms
64 bytes from 38.33.215.156 (38.33.215.156): icmp_seq=3 ttl=57 time=142 ms

--- com-t.wangjianran.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 142.274/142.914/143.979/0.818 ms