PING www.sungkwangch.or.kr (14.52.22.24) 56(84) bytes of data.
64 bytes from 14.52.22.24 (14.52.22.24): icmp_seq=1 ttl=57 time=251 ms
64 bytes from 14.52.22.24 (14.52.22.24): icmp_seq=2 ttl=57 time=250 ms
64 bytes from 14.52.22.24 (14.52.22.24): icmp_seq=3 ttl=57 time=250 ms

--- www.sungkwangch.or.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 250.148/250.696/251.425/0.674 ms