PING beijingyj.com (104.206.129.160) 56(84) bytes of data.
64 bytes from ps160.perfectoserver.com (104.206.129.160): icmp_seq=1 ttl=54 time=157 ms
64 bytes from ps160.perfectoserver.com (104.206.129.160): icmp_seq=2 ttl=54 time=156 ms
64 bytes from ps160.perfectoserver.com (104.206.129.160): icmp_seq=3 ttl=54 time=156 ms

--- beijingyj.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 156.709/156.894/157.250/0.409 ms