PING bctf.kr (118.38.51.225) 56(84) bytes of data.
64 bytes from 118.38.51.225 (118.38.51.225): icmp_seq=1 ttl=57 time=245 ms
64 bytes from 118.38.51.225 (118.38.51.225): icmp_seq=2 ttl=57 time=243 ms
64 bytes from 118.38.51.225 (118.38.51.225): icmp_seq=3 ttl=57 time=243 ms

--- bctf.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 243.132/243.974/245.215/0.982 ms