PING seindesign.co.kr (76.76.21.21) 56(84) bytes of data.
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=1 ttl=247 time=7.76 ms
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=2 ttl=247 time=7.64 ms
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=3 ttl=247 time=7.45 ms

--- seindesign.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 7.451/7.620/7.764/0.147 ms