PING seoul.angloinfo.com (18.239.94.86) 56(84) bytes of data.
64 bytes from server-18-239-94-86.ams1.r.cloudfront.net (18.239.94.86): icmp_seq=1 ttl=251
time=4.52 ms
64 bytes from server-18-239-94-86.ams1.r.cloudfront.net (18.239.94.86): icmp_seq=2 ttl=251
time=4.27 ms
64 bytes from server-18-239-94-86.ams1.r.cloudfront.net (18.239.94.86): icmp_seq=3 ttl=251
time=4.27 ms

--- seoul.angloinfo.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.275/4.361/4.529/0.118 ms