PING luke.ac (18.239.69.30) 56(84) bytes of data.
64 bytes from server-18-239-69-30.ams58.r.cloudfront.net (18.239.69.30): icmp_seq=1
ttl=251 time=4.81 ms
64 bytes from server-18-239-69-30.ams58.r.cloudfront.net (18.239.69.30): icmp_seq=2
ttl=251 time=3.81 ms
64 bytes from server-18-239-69-30.ams58.r.cloudfront.net (18.239.69.30): icmp_seq=3
ttl=251 time=3.83 ms

--- luke.ac ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.811/4.153/4.817/0.475 ms