PING www.gnbl.or.kr (112.216.59.178) 56(84) bytes of data.
64 bytes from 112.216.59.178 (112.216.59.178): icmp_seq=1 ttl=118 time=261 ms
64 bytes from 112.216.59.178 (112.216.59.178): icmp_seq=2 ttl=118 time=258 ms
64 bytes from 112.216.59.178 (112.216.59.178): icmp_seq=3 ttl=118 time=258 ms

--- www.gnbl.or.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 258.443/259.390/261.258/1.320 ms