PING ribery09.ufree.kr (185.53.177.73) 56(84) bytes of data.
64 bytes from 185.53.177.73 (185.53.177.73): icmp_seq=1 ttl=55 time=18.6 ms
64 bytes from 185.53.177.73 (185.53.177.73): icmp_seq=2 ttl=55 time=17.1 ms
64 bytes from 185.53.177.73 (185.53.177.73): icmp_seq=3 ttl=55 time=17.1 ms

--- ribery09.ufree.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 17.169/17.663/18.650/0.714 ms