PING dentist.co.kr (173.254.210.42) 56(84) bytes of data.
64 bytes from 173.254.210.42.static.quadranet.com (173.254.210.42): icmp_seq=1 ttl=60
time=151 ms
64 bytes from 173.254.210.42.static.quadranet.com (173.254.210.42): icmp_seq=2 ttl=60
time=147 ms
64 bytes from 173.254.210.42.static.quadranet.com (173.254.210.42): icmp_seq=3 ttl=60
time=148 ms

--- dentist.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 147.896/149.047/151.242/1.615 ms