PING rainbows.kr (1.240.13.107) 56(84) bytes of data.
64 bytes from 1.240.13.107 (1.240.13.107): icmp_seq=1 ttl=44 time=250 ms
64 bytes from 1.240.13.107 (1.240.13.107): icmp_seq=2 ttl=44 time=248 ms
64 bytes from 1.240.13.107 (1.240.13.107): icmp_seq=3 ttl=44 time=248 ms

--- rainbows.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 248.376/249.254/250.901/1.299 ms