PING sechang.co.kr (111.92.189.34) 56(84) bytes of data.
64 bytes from 111.92.189.34 (111.92.189.34): icmp_seq=1 ttl=60 time=268 ms
64 bytes from 111.92.189.34 (111.92.189.34): icmp_seq=2 ttl=60 time=275 ms
64 bytes from 111.92.189.34 (111.92.189.34): icmp_seq=3 ttl=60 time=267 ms

--- sechang.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 267.674/270.386/275.100/3.398 ms