PING eecat.snu.ac.kr (119.205.215.212) 56(84) bytes of data.
64 bytes from 119.205.215.212 (119.205.215.212): icmp_seq=1 ttl=55 time=257 ms
64 bytes from 119.205.215.212 (119.205.215.212): icmp_seq=2 ttl=55 time=256 ms
64 bytes from 119.205.215.212 (119.205.215.212): icmp_seq=3 ttl=55 time=256 ms

--- eecat.snu.ac.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 256.883/256.967/257.117/0.427 ms