Robtex

Up: 54.239.221.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 54.239.221.128/26
Down right: 54.239.221.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.239.221.128	PTR	server-54-239-221-128.ewr51.r.cloudfront.net
54.239.221.128	A	a1aa17a01b0d2b6216be5e2ac71314f85.profile.jfk-m.cloudfront.net
54.239.221.128	A	ae8f5bdd573b5180cc84c73bb33163cfa.profile.jfk-m.cloudfront.net
54.239.221.129	A	abdd7188e10411fb91e2c49a697f30d24.profile.jfk-m.cloudfront.net
54.239.221.129	A	acbdbd376959a979b300e8afbad891611.profile.jfk-m.cloudfront.net
54.239.221.129	A	ae3ae6a0295c0e0a6edba814bab1ab9f4.profile.jfk-m.cloudfront.net
54.239.221.130	A+PTR	server-54-239-221-130.ewr51.r.cloudfront.net
54.239.221.130	A	a1aa17a01b0d2b6216be5e2ac71314f85.profile.jfk-m.cloudfront.net
54.239.221.130	A	a4afd63c03b038a6a915ee8ed37db7b7d.profile.jfk-m.cloudfront.net
54.239.221.141	A	d2b60nylvher1m.cloudfront.net
54.239.221.148	A+PTR	server-54-239-221-148.ewr51.r.cloudfront.net
54.239.221.156	A+PTR	server-54-239-221-156.ewr51.r.cloudfront.net
54.239.221.178	A+PTR	server-54-239-221-178.ewr51.r.cloudfront.net
54.239.221.202	A+PTR	server-54-239-221-202.ewr51.r.cloudfront.net
54.239.221.211	A+PTR	server-54-239-221-211.ewr51.r.cloudfront.net
54.239.221.247	A	potomac.vidangel.com
54.239.221.248	PTR	server-54-239-221-248.ewr51.r.cloudfront.net
54.239.221.248	A	d1j463o3ibdar7.cloudfront.net
54.239.221.249	A+PTR	server-54-239-221-249.ewr51.r.cloudfront.net
54.239.221.249	A	potomac.vidangel.com
54.239.221.249	A	delorean.vidangel.com
54.239.221.253	A+PTR	server-54-239-221-253.ewr51.r.cloudfront.net
54.239.221.253	A	potomac.vidangel.com
54.239.221.253	A	d1j463o3ibdar7.cloudfront.net
54.239.221.254	PTR	server-54-239-221-254.ewr51.r.cloudfront.net
54.239.221.254	A	d1j463o3ibdar7.cloudfront.net
54.239.221.254	A	delorean.vidangel.com