Robtex

Up: 54.239.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 54.239.16.0/25
Down right: 54.239.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.239.16.0	A	sharingservice-beta.amazon.com
54.239.16.1	A	messaging-director-us-east-1.amazon.com
54.239.16.2	A	fcsmmobile.amazon.com
54.239.16.8	A	dp-discovery-na-ext.amazon.com
54.239.16.13	A	www5.amazon.com
54.239.16.19	A	origin-sellercentral.amazon.com.mx
54.239.16.20	A	sb-mediasearchservice.amazon.com
54.239.16.24	A	www8.amazon.com
54.239.16.25	A	lightsail-preprod.aws.amazon.com
54.239.16.27	A+PTR	sb-searchservice.amazon.com
54.239.16.29	A	codedeploy.us-east-1.amazonaws.com
54.239.16.38	A	kindlescout.amazon.com
54.239.16.41	A	origin-www.amazon.com.br
54.239.16.42	A	auth-zapposcouture-na.amazon.com
54.239.16.53	A	kep.amazon.com
54.239.16.55	A	tas-na-extern.amazon.com
54.239.16.56	A	transcommunication-na-extern.amazon.com
54.239.16.57	A	account.videodirect.amazon.com
54.239.16.57	A	account-merch.amazon.com
54.239.16.59	A	geotrace-na-extern.amazon.com
54.239.16.62	A	sqs-fips.us-east-1.amazonaws.com
54.239.16.65	A	ecs.us-east-1.amazonaws.com
54.239.16.68	A	tachyon.amazon.com
54.239.16.70	A	zpot-na-prod.amazon.com
54.239.16.75	A	mas-ssr-ac.amazon.com
54.239.16.76	A	workersandbox.mturk.com
54.239.16.78	A	www.mturkcontent.com
54.239.16.79	A	www.mturk.com
54.239.16.80	A	zcreator-prod-na.amazon.com
54.239.16.86	A	ucdavis.amazon.com
54.239.16.87	A	purdue.amazon.com
54.239.16.97	A	6pm-latest.amazon.com
54.239.16.100	A	qwp.beautybar.com
54.239.16.100	A	www.yoyo.com
54.239.16.100	A	www.look.com
54.239.16.103	A	sb-shipping.amazon.com
54.239.16.104	A	opf-www.amazon.com.mx
54.239.16.104	A	origin-www.amazon.com.mx
54.239.16.105	A	mt.amazon.com.mx
54.239.16.110	A	rd.a9.com
54.239.16.119	A	kwis-opf-preprod.amazon.com
54.239.16.120	A	xml-na.amznxslt.com
54.239.16.120	A	webservices.amazon.ca
54.239.16.120	A	ecs.amazonaws.ca
54.239.16.123	A	parker-gateway-na.amazon.com
54.239.16.128	A	mt.amazon.ca
54.239.16.133	A	mobile.audible.com
54.239.16.134	A	hub.amazon.work
54.239.16.134	A	atoz.amazon.work
54.239.16.137	A	urmp-prod.amazon.com
54.239.16.137	A	primenow-us.amazon.com
54.239.16.140	A	appdeploymentservice-na.amazon.com
54.239.16.150	A	a4k-pre-prod.amazon.com
54.239.16.152	A	odcs-na-extern.amazon.com
54.239.16.153	A	ptras-na-extern.amazon.com
54.239.16.157	A	www14.amazon.ca
54.239.16.160	A	oss-na-extern.amazon.com
54.239.16.165	A	umass.amazon.com
54.239.16.166	A	msh-tablet.amazon.com.mx
54.239.16.169	A	sb-htsapplication.amazon.com
54.239.16.172	A	rio-mobile-ingress.amazon.com
54.239.16.175	A	ticket-ext-test.amazon.com
54.239.16.176	A	frat-na-external.amazon.com
54.239.16.179	A+PTR	amz.onl
54.239.16.179	A	a.co
54.239.16.184	A	6pm-latest-client-authenticated.amazon.com
54.239.16.185	A	6pm-client-authenticated.amazon.com
54.239.16.195	A	access-alexa-na.amazon.com
54.239.16.199	A	dow-preview.amazon.com
54.239.16.200	A	dow.amazon.com
54.239.16.207	A	m.shopbop.com
54.239.16.210	A	csos-client-updates.amazon.com
54.239.16.212	A	www20.amazon.com
54.239.16.219	A	origin-advertising.amazon.com
54.239.16.236	A	oss-na-master-extern.amazon.com
54.239.16.240	A	withoutabox.com
54.239.16.243	A	logistics-platform.amazon.com
54.239.16.244	A	omwees-na-extern.amazon.com
54.239.16.247	A	elasticfilesystem.us-east-1.amazonaws.com
54.239.16.248	A	advertising-api.amazon.com
54.239.16.249	A	applab-sdk.amazon.com
54.239.16.252	A	payeecentral.amazon.com