Robtex

Up: 54.231.18.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 54.231.18.0/26
Down right: 54.231.18.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.231.18.0	PTR	s3-1.amazonaws.com
54.231.18.1	PTR	s3-1-w.amazonaws.com
54.231.18.1	A	hindawi.com.s3.amazonaws.com
54.231.18.1	A	smcstonevault.s3.amazonaws.com
54.231.18.3	PTR	s3-external-1-w.amazonaws.com
54.231.18.4	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.4	A	ubuntufinder.com
54.231.18.4	A	amelielamont.com
54.231.18.8	PTR	s3-1.amazonaws.com
54.231.18.8	A	cdn.journalism.cuny.edu
54.231.18.9	PTR	s3-1-w.amazonaws.com
54.231.18.9	A	*.fenrir.co.jp.s3.amazonaws.com
54.231.18.9	A	s3.productwiki.com
54.231.18.12	A	test.dioceseoflansing.org
54.231.18.12	A	talentgroove.com
54.231.18.12	A	samanthawithers.com
54.231.18.16	PTR	s3-1.amazonaws.com
54.231.18.17	A	static.evancharlton.com
54.231.18.17	A	*.rsj.de.s3.amazonaws.com
54.231.18.17	A	trusteer.com.s3.amazonaws.com
54.231.18.20	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.20	A	nerdwalletinvesting.com
54.231.18.20	A	ohlacrane.com
54.231.18.24	PTR	s3-1.amazonaws.com
54.231.18.24	A	dropbox.curry.com
54.231.18.25	PTR	s3-1-w.amazonaws.com
54.231.18.25	A	cache.vibe.com.s3.amazonaws.com
54.231.18.25	A	usastore1.2big2send.com.s3.amazonaws.com
54.231.18.28	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.28	A	youcash.com
54.231.18.28	A	anniejw.com
54.231.18.32	PTR	s3-1.amazonaws.com
54.231.18.32	A	s3.moveon.org
54.231.18.33	A	airplay.jango.com.s3.amazonaws.com
54.231.18.33	A	msds.3ecompany.com
54.231.18.33	A	media.opencandy.com
54.231.18.36	A	cardiee.net
54.231.18.36	A	ouengsoc.org
54.231.18.36	A	fragd.eu
54.231.18.40	PTR	s3-1.amazonaws.com
54.231.18.41	PTR	s3-1-w.amazonaws.com
54.231.18.41	A	apps.foxtab.com.s3.amazonaws.com
54.231.18.41	A	mx1.megstech.com
54.231.18.42	PTR	s3-external-1.amazonaws.com
54.231.18.44	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.44	A	www.peercloud.com
54.231.18.44	A	plentyfashion.com
54.231.18.48	PTR	s3-1.amazonaws.com
54.231.18.49	PTR	s3-1-w.amazonaws.com
54.231.18.49	A	*.js.s3.amazonaws.com
54.231.18.49	A	128.music.static.jango.com
54.231.18.52	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.52	A	cdn.mahalo.com
54.231.18.52	A	erec.co.nz
54.231.18.56	PTR	s3-1.amazonaws.com
54.231.18.57	PTR	s3-1-w.amazonaws.com
54.231.18.57	A	files.monkeysaudio.com
54.231.18.57	A	media.xlr8r.com
54.231.18.58	PTR	s3-external-1.amazonaws.com
54.231.18.60	A	www.nude-erotica.com
54.231.18.60	A	npratt.com
54.231.18.60	A	projectprovidence.us
54.231.18.64	PTR	s3-1.amazonaws.com
54.231.18.65	PTR	s3-1-w.amazonaws.com
54.231.18.65	A	*.socratesheaders.s3.amazonaws.com
54.231.18.65	A	images1.facade.com
54.231.18.68	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.68	A	nerdwalletinvesting.com
54.231.18.68	A	www.peercloud.com
54.231.18.72	PTR	s3-1.amazonaws.com
54.231.18.73	PTR	s3-1-w.amazonaws.com
54.231.18.73	A	64.aac.jango.com
54.231.18.73	A	events.digitallyspeaking.com.s3.amazonaws.com
54.231.18.76	A	thebusinessbacker.com
54.231.18.76	A	johnlarochelle.com
54.231.18.76	A	www.carce.com
54.231.18.80	PTR	s3-1.amazonaws.com
54.231.18.81	PTR	s3-1-w.amazonaws.com
54.231.18.81	A	onswipe.com.s3.amazonaws.com
54.231.18.81	A	boos.audioboo.fm.s3.amazonaws.com
54.231.18.84	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.84	A	holo.nu
54.231.18.84	A	mailboxapps.com
54.231.18.88	PTR	s3-1.amazonaws.com
54.231.18.88	A	repo.terracotta.org
54.231.18.88	A	mail.davising.com
54.231.18.89	PTR	s3-1-w.amazonaws.com
54.231.18.89	A	files.podsnack.net
54.231.18.89	A	static.alexa.com
54.231.18.91	PTR	s3-external-1-w.amazonaws.com
54.231.18.92	A	qduke.com.s3-website-us-east-1.amazonaws.com
54.231.18.92	A	www.trnde.com
54.231.18.92	A	kuralesache.com
54.231.18.96	PTR	s3-1.amazonaws.com
54.231.18.97	PTR	s3-1-w.amazonaws.com
54.231.18.97	A	*.apps.foxtab.com.s3.amazonaws.com
54.231.18.97	A	extension.fm.s3.amazonaws.com
54.231.18.100	A	timsjoberg.com
54.231.18.100	A	h-oak.com
54.231.18.100	A	www.e-tradeconsult.com
54.231.18.104	A	download.govwin.com
54.231.18.105	PTR	s3-1-w.amazonaws.com
54.231.18.105	A	media.goodjoe.com
54.231.18.105	A	*.ltassrv.com.s3.amazonaws.com
54.231.18.108	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.108	A	meetthecouple.com
54.231.18.108	A	www.diveintopython.net
54.231.18.112	PTR	s3-1.amazonaws.com
54.231.18.112	A	download.tversity.com
54.231.18.112	A	s3.grindr.com
54.231.18.113	PTR	s3-1-w.amazonaws.com
54.231.18.113	A	update.limewire.com
54.231.18.113	A	m.tktn.at.s3.amazonaws.com
54.231.18.115	PTR	s3-external-1-w.amazonaws.com
54.231.18.116	A	www.carce.com
54.231.18.116	A	mailboxapps.com
54.231.18.116	A	danjustateawholechicken.com
54.231.18.120	A	download.mirc.com
54.231.18.120	A	content.breederoo.com
54.231.18.120	A	content1.okulistik.com
54.231.18.121	PTR	s3-1-w.amazonaws.com
54.231.18.121	A	static.tvfanatic.com
54.231.18.121	A	xinyusi.s3.amazonaws.com
54.231.18.122	PTR	s3-external-1.amazonaws.com
54.231.18.123	PTR	s3-external-1-w.amazonaws.com
54.231.18.124	PTR	s3-website-us-east-1.amazonaws.com
54.231.18.124	A	bobholt.me
54.231.18.124	A	haiss-tile.com