PING www.shga.kr (172.67.209.151) 56(84) bytes of data.
64 bytes from 172.67.209.151 (172.67.209.151): icmp_seq=1 ttl=59 time=4.26 ms
64 bytes from 172.67.209.151 (172.67.209.151): icmp_seq=2 ttl=59 time=4.01 ms
64 bytes from 172.67.209.151 (172.67.209.151): icmp_seq=3 ttl=59 time=4.20 ms

--- www.shga.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2007ms
rtt min/avg/max/mdev = 4.018/4.162/4.262/0.117 ms