PING beautyforever.co.kr (115.68.17.179) 56(84) bytes of data.
64 bytes from mail179.webmaker21.kr (115.68.17.179): icmp_seq=1 ttl=55 time=246 ms
64 bytes from mail179.webmaker21.kr (115.68.17.179): icmp_seq=2 ttl=55 time=246 ms
64 bytes from mail179.webmaker21.kr (115.68.17.179): icmp_seq=3 ttl=55 time=246 ms

--- beautyforever.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 246.515/246.684/246.964/0.199 ms