PING waterpower.co.kr (211.40.221.94) 56(84) bytes of data.
64 bytes from 211.40.221.94 (211.40.221.94): icmp_seq=1 ttl=55 time=258 ms
64 bytes from 211.40.221.94 (211.40.221.94): icmp_seq=2 ttl=55 time=256 ms
64 bytes from 211.40.221.94 (211.40.221.94): icmp_seq=3 ttl=55 time=256 ms

--- waterpower.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 256.897/257.594/258.956/0.963 ms