Robtex

Up: 54.240.252.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 54.240.252.0/25
Down right: 54.240.252.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.240.252.0	A	opf-www.amazon.co.jp
54.240.252.0	A	amazon-associate.jp
54.240.252.0	A	origin-www.amazon.co.jp
54.240.252.11	PTR	s3-website-us-west-2.amazonaws.com
54.240.252.11	A	ryanwalters.me
54.240.252.11	A	carswithguns.com
54.240.252.17	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.18	PTR	s3-us-west-2.amazonaws.com
54.240.252.25	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.26	PTR	s3-us-west-2.amazonaws.com
54.240.252.27	PTR	s3-website-us-west-2.amazonaws.com
54.240.252.27	A	dc-571261f4.andrewotten.com
54.240.252.27	A	crikents.com
54.240.252.33	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.34	PTR	s3-us-west-2.amazonaws.com
54.240.252.40	A	dp-contacts-jp.amazon.com
54.240.252.41	A	harbor-fe.amazon.com
54.240.252.42	A	completion.amazon.co.jp
54.240.252.43	A	t1-completion.amazon.co.jp
54.240.252.49	A	spe-as.amazon.com
54.240.252.52	A	ws.amazon.co.jp
54.240.252.52	A	ws.assoc-amazon.jp
54.240.252.58	A	capi-fe.ssl-images-amazon.com
54.240.252.59	A	kuato.amazon.co.jp
54.240.252.60	A	mt.amazon.co.jp
54.240.252.64	A	pulse-fe.amazon.com
54.240.252.73	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.75	PTR	s3-website-us-west-2.amazonaws.com
54.240.252.81	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.81	A	engine.dev.capriza.com
54.240.252.81	A	livefc2.s3.amazonaws.com
54.240.252.82	PTR	s3-us-west-2.amazonaws.com
54.240.252.83	PTR	s3-website-us-west-2.amazonaws.com
54.240.252.83	A	workmuch.com
54.240.252.91	PTR	s3-website-us-west-2.amazonaws.com
54.240.252.91	A	mail.questionone.co.uk
54.240.252.97	PTR	s3-us-west-2-w.amazonaws.com
54.240.252.104	A	cde-ta-g7g-sha-proxy.amazon.co.jp
54.240.252.107	A	sewalungma.amazon.com
54.240.252.112	A	match.amazonbrowserapp.jp
54.240.252.113	A	gb-console.us-west-2.aws.amazon.com
54.240.252.120	A	atv-ps-fe.amazon.com
54.240.252.124	A	fls-fe.amazon-adsystem.com
54.240.252.127	A	ddee.amazon.co.jp
54.240.252.128	A	rd-jp.a9.com
54.240.252.132	A	catalog-sc.amazon.co.jp
54.240.252.132	A	gio-catalog-fe.amazon.com
54.240.252.134	A	vendorcentral.amazon.co.jp
54.240.252.137	A	mas-ssr-fe.amazon.com
54.240.252.138	A	chat.amazon.co.jp
54.240.252.139	A	cscentral-fe.amazon.com
54.240.252.141	A	www.amazonlogistics.jp
54.240.252.142	A	amazonservices.jp
54.240.252.142	A	www.amazonservices.jp
54.240.252.143	A	mobile.audible.com.au
54.240.252.147	A	vendorcentral.amazon.com.au
54.240.252.148	A	mas-sdk-fe.amazon.com
54.240.252.149	A	astore.amazon.co.jp
54.240.252.151	A	endeavour.amazon.co.jp
54.240.252.154	A	atv-guava-fe.amazon.com
54.240.252.155	A	developer.amazonservices.jp
54.240.252.158	A	affiliate.amazon.co.jp
54.240.252.158	A	associates.amazon.co.jp
54.240.252.159	A	advantage.amazon.co.jp
54.240.252.160	A	www.audible.com.au
54.240.252.160	A	audible.com.au
54.240.252.161	A	mws.amazonaws.jp
54.240.252.161	A	mws.amazonservices.jp
54.240.252.164	A	seller-central-jp-pilot.amazon.com
54.240.252.166	A	authorcentral.amazon.co.jp
54.240.252.167	A	opf-sellercentral.amazon.co.jp
54.240.252.167	A	origin-sellercentral.amazon.co.jp
54.240.252.168	A	sellercentral-japan.amazon.com
54.240.252.168	A	origin-sellercentral-japan.amazon.com
54.240.252.169	A	fnes.amazon.co.jp
54.240.252.172	A	opf-latency-test.amazon.com
54.240.252.173	A	www.javari.jp
54.240.252.179	A+PTR	www.swiship.jp
54.240.252.179	A	swiship.jp
54.240.252.180	A	digprjsurvey.amazon.co.jp
54.240.252.187	A	simplecert-bjs.amazon.com
54.240.252.189	A	mas-ssr-fe-ac.amazon.com
54.240.252.192	A	kconnect-uswest.amazon.com
54.240.252.193	A	sts.us-west-2.amazonaws.com
54.240.252.201	A	read.amazon.com.au
54.240.252.202	A	msh-tablet.amazon.co.jp
54.240.252.208	A	cde-ta-g7g.amazon.co.jp
54.240.252.209	A	origin-www.amazon.com.au
54.240.252.209	A	amazon.com.au
54.240.252.209	A	opf-www.amazon.com.au
54.240.252.210	A	retail-smtp-in-fe.amazon.co.jp
54.240.252.212	A+PTR	inbound-smtp.us-west-2.amazonaws.com
54.240.252.212	A	mail.iclubpadel.com
54.240.252.212	A	mail.adelatech.com
54.240.252.217	A	syncdelivery.audible.com.au
54.240.252.221	A	kms.us-west-2.amazonaws.com
54.240.252.226	A	series-fe.amazon.com
54.240.252.228	A	mas-ssr-fe-ad.amazon.com
54.240.252.234	A	ecs.us-west-2.amazonaws.com
54.240.252.236	A	ecs-a-1.us-west-2.amazonaws.com
54.240.252.239	A	origin-read.amazon.co.jp
54.240.252.240	A	paragon-fe.amazon.com
54.240.252.247	A	ecs-a-2.us-west-2.amazonaws.com
54.240.252.250	A	ecs.amazonaws.jp
54.240.252.251	A	audible.co.jp
54.240.252.251	A	www.audible.co.jp
54.240.252.254	A	api-sandbox.amazon.co.jp