PING presscbu.cbnu.ac.kr (115.92.96.171) 56(84) bytes of data.
64 bytes from 115.92.96.171 (115.92.96.171): icmp_seq=1 ttl=53 time=253 ms
64 bytes from 115.92.96.171 (115.92.96.171): icmp_seq=2 ttl=53 time=253 ms
64 bytes from 115.92.96.171 (115.92.96.171): icmp_seq=3 ttl=53 time=252 ms

--- presscbu.cbnu.ac.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 252.856/253.135/253.391/0.465 ms