PING www.cainiaoz.com (155.159.149.174) 56(84) bytes of data.
64 bytes from 155.159.149.174: icmp_seq=1 ttl=57 time=201 ms
64 bytes from 155.159.149.174: icmp_seq=2 ttl=57 time=200 ms
64 bytes from 155.159.149.174: icmp_seq=3 ttl=57 time=199 ms

--- www.cainiaoz.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 199.922/200.549/201.565/0.724 ms