PING www.itpe.kr (210.122.14.68) 56(84) bytes of data.
64 bytes from 210.122.14.68 (210.122.14.68): icmp_seq=1 ttl=52 time=263 ms
64 bytes from 210.122.14.68 (210.122.14.68): icmp_seq=2 ttl=52 time=263 ms
64 bytes from 210.122.14.68 (210.122.14.68): icmp_seq=3 ttl=52 time=263 ms

--- www.itpe.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 263.234/263.495/263.972/0.682 ms