PING macular-www.baidu1688sina.com (54.156.158.84) 56(84) bytes of data.
64 bytes from ec2-54-156-158-84.compute-1.amazonaws.com (54.156.158.84): icmp_seq=1 ttl=59
time=154 ms
64 bytes from ec2-54-156-158-84.compute-1.amazonaws.com (54.156.158.84): icmp_seq=2 ttl=59
time=112 ms
64 bytes from ec2-54-156-158-84.compute-1.amazonaws.com (54.156.158.84): icmp_seq=3 ttl=59
time=146 ms

--- macular-www.baidu1688sina.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2007ms
rtt min/avg/max/mdev = 112.119/137.832/154.564/18.460 ms