PING hdvet.co.kr (77.37.53.36) 56(84) bytes of data.
64 bytes from 77.37.53.36 (77.37.53.36): icmp_seq=1 ttl=56 time=13.9 ms
64 bytes from 77.37.53.36 (77.37.53.36): icmp_seq=2 ttl=56 time=11.3 ms
64 bytes from 77.37.53.36 (77.37.53.36): icmp_seq=3 ttl=56 time=11.2 ms

--- hdvet.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 11.239/12.186/13.947/1.252 ms