PING c47.co.kr (18.238.243.50) 56(84) bytes of data.
64 bytes from server-18-238-243-50.ams58.r.cloudfront.net (18.238.243.50): icmp_seq=1
ttl=251 time=5.61 ms
64 bytes from server-18-238-243-50.ams58.r.cloudfront.net (18.238.243.50): icmp_seq=2
ttl=251 time=4.52 ms
64 bytes from server-18-238-243-50.ams58.r.cloudfront.net (18.238.243.50): icmp_seq=3
ttl=251 time=4.45 ms

--- c47.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.456/4.862/5.612/0.536 ms