PING www.edu.cn.02280.com (80.251.217.54) 56(84) bytes of data.
64 bytes from 80.251.217.54.16clouds.com (80.251.217.54): icmp_seq=1 ttl=60 time=146 ms
64 bytes from 80.251.217.54.16clouds.com (80.251.217.54): icmp_seq=2 ttl=60 time=146 ms
64 bytes from 80.251.217.54.16clouds.com (80.251.217.54): icmp_seq=3 ttl=60 time=146 ms

--- www.edu.cn.02280.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 146.220/146.236/146.251/0.012 ms