PING coregeo.co.kr (211.199.3.223) 56(84) bytes of data.
64 bytes from 211.199.3.223 (211.199.3.223): icmp_seq=1 ttl=57 time=251 ms
64 bytes from 211.199.3.223 (211.199.3.223): icmp_seq=2 ttl=57 time=249 ms
64 bytes from 211.199.3.223 (211.199.3.223): icmp_seq=3 ttl=57 time=248 ms

--- coregeo.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 248.254/249.672/251.293/1.313 ms