PING hdf.kr (75.2.85.42) 56(84) bytes of data.
64 bytes from a4c6c51f8b10d0080.awsglobalaccelerator.com (75.2.85.42): icmp_seq=1 ttl=251
time=4.00 ms
64 bytes from a4c6c51f8b10d0080.awsglobalaccelerator.com (75.2.85.42): icmp_seq=2 ttl=251
time=3.50 ms
64 bytes from a4c6c51f8b10d0080.awsglobalaccelerator.com (75.2.85.42): icmp_seq=3 ttl=251
time=3.55 ms

--- hdf.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 3.506/3.686/4.002/0.224 ms