PING csni.co.kr (202.68.234.121) 56(84) bytes of data.
64 bytes from 202.68.234.121 (202.68.234.121): icmp_seq=1 ttl=118 time=255 ms
64 bytes from 202.68.234.121 (202.68.234.121): icmp_seq=2 ttl=118 time=256 ms
64 bytes from 202.68.234.121 (202.68.234.121): icmp_seq=3 ttl=118 time=255 ms

--- csni.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 3245ms
rtt min/avg/max/mdev = 255.171/255.707/256.016/0.697 ms