Robtex

Up: 52.216.17.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 52.216.17.192/27
Down right: 52.216.17.224/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.216.17.192	PTR	s3-1-w.amazonaws.com
52.216.17.192	A	www.hudl-fonts.s3.amazonaws.com
52.216.17.192	A	katubim.s3.amazonaws.com
52.216.17.194	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.194	A	queresponder.net
52.216.17.194	A	yetcore.com
52.216.17.195	PTR	s3-1.amazonaws.com
52.216.17.200	PTR	s3-1-w.amazonaws.com
52.216.17.200	A	town-square-inns.s3.amazonaws.com
52.216.17.200	A	asana-user-private-us-east-1.s3.amazonaws.com
52.216.17.202	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.202	A	spookypony.com
52.216.17.202	A	billingmaid.com
52.216.17.203	PTR	s3-1.amazonaws.com
52.216.17.208	PTR	s3-1-w.amazonaws.com
52.216.17.208	A	karo-lee-na.com
52.216.17.208	A	static1.firemandev.info.s3.amazonaws.com
52.216.17.210	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.210	A	greenhedgehog.net
52.216.17.210	A	mandivision.com
52.216.17.211	PTR	s3-1.amazonaws.com
52.216.17.211	A	assets.elections.huffingtonpost.com
52.216.17.216	PTR	s3-1-w.amazonaws.com
52.216.17.216	A	calimlioglu-prod.s3.amazonaws.com
52.216.17.216	A	*.aviary.com.s3.amazonaws.com
52.216.17.218	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.218	A	catchafire.fail
52.216.17.218	A	jonathanboho.com
52.216.17.220	PTR	s3-external-1.amazonaws.com
52.216.17.224	PTR	s3-1-w.amazonaws.com
52.216.17.224	A	dell.s3.amazonaws.com
52.216.17.224	A	mmw.s3.amazonaws.com
52.216.17.226	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.226	A	onetok.com
52.216.17.226	A	chargebee-billing.com
52.216.17.227	PTR	s3-1.amazonaws.com
52.216.17.232	PTR	s3-1-w.amazonaws.com
52.216.17.232	A	mmw.s3.amazonaws.com
52.216.17.232	A	media.pushspring.com.s3.amazonaws.com
52.216.17.234	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.234	A	erieapprovals.com
52.216.17.234	A	www.loistava.com.s3-website-us-east-1.amazonaws.com
52.216.17.235	PTR	s3-1.amazonaws.com
52.216.17.236	PTR	s3-external-1.amazonaws.com
52.216.17.240	PTR	s3-1-w.amazonaws.com
52.216.17.240	A	videowebservice.s3.amazonaws.com
52.216.17.240	A	woodcutmaps-media.s3.amazonaws.com
52.216.17.242	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.242	A	alephinity.com
52.216.17.242	A	blueoceancyber.com
52.216.17.248	PTR	s3-1-w.amazonaws.com
52.216.17.248	A	cluster-media.s3.amazonaws.com
52.216.17.248	A	*.patheos.com.s3.amazonaws.com
52.216.17.249	PTR	s3-external-1-w.amazonaws.com
52.216.17.249	A	tastylounge-prod.s3-external-1.amazonaws.com
52.216.17.250	PTR	s3-website-us-east-1.amazonaws.com
52.216.17.250	A	ultracasas.com
52.216.17.250	A	yourindustrialdailyfromthomasnet.com