PING vlpnr.aojiayuan.com (38.28.168.141) 56(84) bytes of data.
64 bytes from 38.28.168.141 (38.28.168.141): icmp_seq=1 ttl=58 time=140 ms
64 bytes from 38.28.168.141 (38.28.168.141): icmp_seq=2 ttl=58 time=139 ms
64 bytes from 38.28.168.141 (38.28.168.141): icmp_seq=3 ttl=58 time=139 ms

--- vlpnr.aojiayuan.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 139.879/140.063/140.408/0.390 ms