PING inmotion.co.kr (61.111.254.244) 56(84) bytes of data.
64 bytes from mail55.byus.net (61.111.254.244): icmp_seq=1 ttl=55 time=274 ms
64 bytes from mail55.byus.net (61.111.254.244): icmp_seq=2 ttl=55 time=273 ms
64 bytes from mail55.byus.net (61.111.254.244): icmp_seq=3 ttl=55 time=275 ms

--- inmotion.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 273.886/274.797/275.709/0.858 ms