PING kbs.co.kr (18.65.39.3) 56(84) bytes of data.
64 bytes from server-18-65-39-3.ams1.r.cloudfront.net (18.65.39.3): icmp_seq=1 ttl=251
time=4.38 ms
64 bytes from server-18-65-39-3.ams1.r.cloudfront.net (18.65.39.3): icmp_seq=2 ttl=251
time=4.16 ms
64 bytes from server-18-65-39-3.ams1.r.cloudfront.net (18.65.39.3): icmp_seq=3 ttl=251
time=4.32 ms

--- kbs.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.164/4.291/4.383/0.092 ms