Robtex

Up: 52.216.81.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 52.216.81.64/27
Down right: 52.216.81.96/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.216.81.64	PTR	s3-1-w.amazonaws.com
52.216.81.64	A	surgebz.s3.amazonaws.com
52.216.81.64	A	vzw-messagemedia-va.s3.amazonaws.com
52.216.81.65	PTR	s3-external-1-w.amazonaws.com
52.216.81.66	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.66	A	pagevaultondemand.com
52.216.81.66	A	www.displaypurposes.com
52.216.81.67	PTR	s3-1.amazonaws.com
52.216.81.67	A	bannerimage.issuu.com
52.216.81.67	A	2.3qdc.com
52.216.81.68	PTR	s3-external-1.amazonaws.com
52.216.81.72	PTR	s3-1-w.amazonaws.com
52.216.81.72	A	wzstats.s3.amazonaws.com
52.216.81.72	A	gf-ur-14.s3.amazonaws.com
52.216.81.73	PTR	s3-external-1-w.amazonaws.com
52.216.81.74	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.74	A	chefhorizon.com
52.216.81.74	A	veronicacastellucci.com
52.216.81.75	PTR	s3-1.amazonaws.com
52.216.81.76	PTR	s3-external-1.amazonaws.com
52.216.81.80	PTR	s3-1-w.amazonaws.com
52.216.81.80	A	kansasmoney.s3.amazonaws.com
52.216.81.80	A	com-mortmain-freemusic-downloader.s3.amazonaws.com
52.216.81.81	PTR	s3-external-1-w.amazonaws.com
52.216.81.82	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.82	A	obx-hmp.com
52.216.81.82	A	wanderatx.com
52.216.81.83	PTR	s3-1.amazonaws.com
52.216.81.84	PTR	s3-external-1.amazonaws.com
52.216.81.88	PTR	s3-1-w.amazonaws.com
52.216.81.88	A	colorado-springs.s3.amazonaws.com
52.216.81.88	A	brintex.com.s3.amazonaws.com
52.216.81.89	PTR	s3-external-1-w.amazonaws.com
52.216.81.90	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.90	A	thevillageatgateway.com
52.216.81.90	A	niran.org
52.216.81.91	PTR	s3-1.amazonaws.com
52.216.81.92	PTR	s3-external-1.amazonaws.com
52.216.81.96	PTR	s3-1-w.amazonaws.com
52.216.81.96	A	treatment.s3.amazonaws.com
52.216.81.96	A	solvusoft.s3.amazonaws.com
52.216.81.97	PTR	s3-external-1-w.amazonaws.com
52.216.81.98	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.98	A	jonathanboho.com
52.216.81.98	A	grocerydeliverykihei.com
52.216.81.99	PTR	s3-1.amazonaws.com
52.216.81.99	A	dmwebassets.dealermade.com
52.216.81.100	PTR	s3-external-1.amazonaws.com
52.216.81.104	A	publishers.halogennetwork.com.s3.amazonaws.com
52.216.81.104	A	bestthingsdaily.s3.amazonaws.com
52.216.81.104	A	cdn.thewinfieldcollection.com
52.216.81.105	PTR	s3-external-1-w.amazonaws.com
52.216.81.106	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.106	A	j-fig.com
52.216.81.106	A	socialtabb.com
52.216.81.107	PTR	s3-1.amazonaws.com
52.216.81.108	PTR	s3-external-1.amazonaws.com
52.216.81.112	PTR	s3-1-w.amazonaws.com
52.216.81.112	A	di-uploads-staging.s3.amazonaws.com
52.216.81.112	A	www.qvfiles.s3.amazonaws.com
52.216.81.113	PTR	s3-external-1-w.amazonaws.com
52.216.81.114	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.114	A	plantlog-staging.com
52.216.81.114	A	sandeepbangalore.com
52.216.81.115	PTR	s3-1.amazonaws.com
52.216.81.115	A	2.3qdc.com
52.216.81.115	A	hostmaster.davising.com
52.216.81.116	PTR	s3-external-1.amazonaws.com
52.216.81.120	PTR	s3-1-w.amazonaws.com
52.216.81.120	A	download2.softpress.com.s3.amazonaws.com
52.216.81.120	A	assets.thepoliticalinsider.com.s3.amazonaws.com
52.216.81.121	PTR	s3-external-1-w.amazonaws.com
52.216.81.122	PTR	s3-website-us-east-1.amazonaws.com
52.216.81.122	A	30ide.as
52.216.81.122	A	energiasolarmonterrey.com
52.216.81.123	PTR	s3-1.amazonaws.com
52.216.81.124	PTR	s3-external-1.amazonaws.com