PING www.acrane.cn (156.224.170.69) 56(84) bytes of data.
64 bytes from 156.224.170.69 (156.224.170.69): icmp_seq=1 ttl=57 time=152 ms
64 bytes from 156.224.170.69 (156.224.170.69): icmp_seq=2 ttl=57 time=149 ms
64 bytes from 156.224.170.69 (156.224.170.69): icmp_seq=3 ttl=57 time=149 ms

--- www.acrane.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 149.412/150.538/152.748/1.594 ms