PING gukjin.com (121.78.91.61) 56(84) bytes of data.
64 bytes from serverb61.opencom.com (121.78.91.61): icmp_seq=1 ttl=58 time=249 ms
64 bytes from serverb61.opencom.com (121.78.91.61): icmp_seq=2 ttl=58 time=249 ms
64 bytes from serverb61.opencom.com (121.78.91.61): icmp_seq=3 ttl=58 time=249 ms

--- gukjin.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2041ms
rtt min/avg/max/mdev = 249.549/249.635/249.682/0.060 ms