PING jinsung-tec.co.kr (211.233.5.175) 56(84) bytes of data.
64 bytes from 211.233.5.175 (211.233.5.175): icmp_seq=1 ttl=56 time=253 ms
64 bytes from 211.233.5.175 (211.233.5.175): icmp_seq=2 ttl=56 time=251 ms
64 bytes from 211.233.5.175 (211.233.5.175): icmp_seq=3 ttl=56 time=251 ms

--- jinsung-tec.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 251.558/252.379/253.892/1.071 ms