Robtex

Up: 54.231.12.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 54.231.12.128/27
Down right: 54.231.12.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.231.12.128	PTR	s3-1.amazonaws.com
54.231.12.128	A	videos.planetdds.com
54.231.12.129	PTR	s3-1-w.amazonaws.com
54.231.12.129	A	adelaide.s3.amazonaws.com
54.231.12.129	A	s3.sitepoint.com
54.231.12.132	PTR	s3-website-us-east-1.amazonaws.com
54.231.12.132	A	mail.jmsconsulting.com
54.231.12.132	A	lebedev.cc
54.231.12.136	PTR	s3-1.amazonaws.com
54.231.12.136	A	static.yuppiechef.com
54.231.12.137	PTR	s3-1-w.amazonaws.com
54.231.12.137	A	freewebs.com.s3.amazonaws.com
54.231.12.137	A	envato.com.s3.amazonaws.com
54.231.12.138	PTR	s3-external-1.amazonaws.com
54.231.12.139	PTR	s3-external-1-w.amazonaws.com
54.231.12.140	A	rightpond.com
54.231.12.140	A	kiemthe.www.animevice.com
54.231.12.140	A	napolitanosbrooklynpizza.com
54.231.12.144	PTR	s3-1.amazonaws.com
54.231.12.144	A	xml.qwiklinx.net
54.231.12.144	A	mp3.morningcoffeenotes.com
54.231.12.145	PTR	s3-1-w.amazonaws.com
54.231.12.145	A	cdn.stf.com.s3.amazonaws.com
54.231.12.145	A	*.irpass.cc.s3.amazonaws.com
54.231.12.148	PTR	s3-website-us-east-1.amazonaws.com
54.231.12.148	A	linkapedia-civilengineering.com
54.231.12.148	A	fogmine.com
54.231.12.152	PTR	s3-1.amazonaws.com
54.231.12.152	A	s3-do-1.amazonaws.com
54.231.12.152	A	www.es-designs.com
54.231.12.153	PTR	s3-1-w.amazonaws.com
54.231.12.153	A	berecruited.com.s3.amazonaws.com
54.231.12.153	A	dimensionm.com.s3.amazonaws.com
54.231.12.156	A	www.algorithms.io
54.231.12.156	A	cliffhorse.com
54.231.12.156	A	commuteraudiobooks.com
54.231.12.160	A	export.easybib.com
54.231.12.160	A	f.tlcollect.com
54.231.12.160	A	s3.freeverse.com
54.231.12.161	A	onswipe.com.s3.amazonaws.com
54.231.12.161	A	https.aq360.s3.amazonaws.com
54.231.12.161	A	aquire-codebase.vipasuite.com
54.231.12.162	PTR	s3-external-1.amazonaws.com
54.231.12.163	PTR	s3-external-1-w.amazonaws.com
54.231.12.164	PTR	s3-website-us-east-1.amazonaws.com
54.231.12.164	A	huevosabio.com
54.231.12.164	A	gethiveapp.com
54.231.12.168	PTR	s3-1.amazonaws.com
54.231.12.169	PTR	s3-1-w.amazonaws.com
54.231.12.169	A	*.fenrir.co.jp.s3.amazonaws.com
54.231.12.169	A	ping.enphaseenergy.com.s3.amazonaws.com
54.231.12.170	PTR	s3-external-1.amazonaws.com
54.231.12.172	PTR	s3-website-us-east-1.amazonaws.com
54.231.12.172	A	tender-engine-stage.euclid-dev.enigma.io
54.231.12.172	A	disclosed.ca
54.231.12.176	PTR	s3-1.amazonaws.com
54.231.12.176	A	images.scripting.com
54.231.12.176	A	s3.moveon.org
54.231.12.177	PTR	s3-1-w.amazonaws.com
54.231.12.177	A	64.aac.jango.com
54.231.12.177	A	128.music.static.jango.com
54.231.12.180	PTR	s3-website-us-east-1.amazonaws.com
54.231.12.180	A	jimmychion.com
54.231.12.180	A	taumobility.com
54.231.12.184	PTR	s3-1.amazonaws.com
54.231.12.184	A	static.opml.org
54.231.12.185	PTR	s3-1-w.amazonaws.com
54.231.12.185	A	*.es.s3.amazonaws.com
54.231.12.185	A	files2.syncfusion.com
54.231.12.187	PTR	s3-external-1-w.amazonaws.com
54.231.12.188	A	commuteraudiobooks.com
54.231.12.188	A	tender-engine-stage.euclid-dev.enigma.io
54.231.12.188	A	www.ventera.com