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=150 ms
64 bytes from 173.254.210.42.static.quadranet.com (173.254.210.42): icmp_seq=2 ttl=60
time=149 ms
64 bytes from 173.254.210.42.static.quadranet.com (173.254.210.42): icmp_seq=3 ttl=60
time=149 ms

--- dentist.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2093ms
rtt min/avg/max/mdev = 149.390/149.622/150.042/0.536 ms