PING threego.kr (121.78.116.249) 56(84) bytes of data.
64 bytes from 121.78.116.249 (121.78.116.249): icmp_seq=1 ttl=50 time=248 ms
64 bytes from 121.78.116.249 (121.78.116.249): icmp_seq=2 ttl=50 time=246 ms
64 bytes from 121.78.116.249 (121.78.116.249): icmp_seq=3 ttl=50 time=246 ms

--- threego.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 246.446/247.088/248.340/0.885 ms