Robtex

Up: 52.216.64.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 52.216.64.0/27
Down right: 52.216.64.32/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.216.64.0	PTR	s3-1-w.amazonaws.com
52.216.64.0	A	www.felinefreedom.org.s3.amazonaws.com
52.216.64.0	A	worksnug.s3.amazonaws.com
52.216.64.2	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.2	A	iccmech.com
52.216.64.2	A	www.adamsalberg.com
52.216.64.3	PTR	s3-1.amazonaws.com
52.216.64.4	PTR	s3-external-1.amazonaws.com
52.216.64.8	PTR	s3-1-w.amazonaws.com
52.216.64.8	A	franquicia-personal.s3.amazonaws.com
52.216.64.8	A	lectios.com.s3.amazonaws.com
52.216.64.10	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.10	A	www.adamsalberg.com
52.216.64.10	A	dermatologiclasercenter-marketing.com
52.216.64.16	PTR	s3-1-w.amazonaws.com
52.216.64.16	A	myschedulestatic.s3.amazonaws.com
52.216.64.16	A	dbmisc.s3.amazonaws.com
52.216.64.18	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.18	A	snakewater.com
52.216.64.18	A	hallplacement.com
52.216.64.19	PTR	s3-1.amazonaws.com
52.216.64.19	A	data.sliderocket.com
52.216.64.19	A	misc.tversity.com
52.216.64.24	PTR	s3-1-w.amazonaws.com
52.216.64.24	A	files.qrz.com
52.216.64.24	A	nintendoagemedia.com.s3.amazonaws.com
52.216.64.26	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.26	A	askleoexample.com
52.216.64.26	A	brendongo.com
52.216.64.27	PTR	s3-1.amazonaws.com
52.216.64.32	PTR	s3-1-w.amazonaws.com
52.216.64.32	A	www.felinefreedom.org.s3.amazonaws.com
52.216.64.32	A	homebinderprod.s3.amazonaws.com
52.216.64.34	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.34	A	volaretravel.ca
52.216.64.34	A	brandedcontent.bargains
52.216.64.35	PTR	s3-1.amazonaws.com
52.216.64.35	A	photos.tennessee.coacht.com
52.216.64.35	A	static.customizedgirl.com
52.216.64.40	PTR	s3-1-w.amazonaws.com
52.216.64.40	A	production.data.zumobi.com.s3.amazonaws.com
52.216.64.40	A	storage.funeralone.net
52.216.64.42	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.42	A	pagevaultondemand.com
52.216.64.42	A	gabrewfinder.com
52.216.64.43	PTR	s3-1.amazonaws.com
52.216.64.43	A	pr.apps.bittorrent.com
52.216.64.43	A	prod.shopwell.com
52.216.64.44	PTR	s3-external-1.amazonaws.com
52.216.64.48	PTR	s3-1-w.amazonaws.com
52.216.64.48	A	sproutsocial.com.s3.amazonaws.com
52.216.64.48	A	soundcloud-support.s3.amazonaws.com
52.216.64.50	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.50	A	spookypony.com
52.216.64.50	A	movrapp.com
52.216.64.51	PTR	s3-1.amazonaws.com
52.216.64.56	PTR	s3-1-w.amazonaws.com
52.216.64.56	A	homebinderprod.s3.amazonaws.com
52.216.64.56	A	treatment.s3.amazonaws.com
52.216.64.58	PTR	s3-website-us-east-1.amazonaws.com
52.216.64.58	A	throatripper.com
52.216.64.58	A	followhorseracing.info
52.216.64.59	PTR	s3-1.amazonaws.com
52.216.64.59	A	cdn.varitalk.com