Robtex

Up: 54.239.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 54.239.17.0/25
Down right: 54.239.17.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.239.17.0	A	outback-na-gamma-ext.amazon.com
54.239.17.3	A	utexas.amazon.com
54.239.17.6	A	origin-www.amazon.com
54.239.17.6	A	pao4j.com
54.239.17.6	A	opf-www.amazon.com
54.239.17.7	A	origin-www.amazon.com
54.239.17.7	A	amzn.com
54.239.17.7	A	subscribewithamazon.com
54.239.17.10	A	dv-manifest-service-na-prod.amazon.com
54.239.17.36	A	monitoring.us-east-1.amazonaws.com
54.239.17.62	A	registrar.amazon.com
54.239.17.64	A	alexa-setup.amazon.com
54.239.17.66	A	dragon-quest.amazon.com
54.239.17.67	A	dyk-ext-na.amazon.com
54.239.17.70	A	mobile-app-expan.amazon.com
54.239.17.71	A	aviary.amazon.com
54.239.17.76	A	workspaces-auth-proxy.us-east-1.amazonaws.com
54.239.17.78	A	registrar.amazon.com
54.239.17.80	A	dra.amazon-adsystem.com
54.239.17.86	A	completion.amazon.com
54.239.17.89	A	codedeploy-commands.us-east-1.amazonaws.com
54.239.17.105	A	lily-aw-iad.amazon.com
54.239.17.114	A	ab-partners.amazon.com
54.239.17.116	A	dra.amazon-adsystem.com
54.239.17.118	A	iddibb.com
54.239.17.118	A	addpro.imdb.com
54.239.17.118	A	imddbb.com
54.239.17.131	A	lily-aw-iad.amazon.com
54.239.17.137	A	lily-ars-iad.amazon.com
54.239.17.138	A	lily-aw-iad.amazon.com
54.239.17.146	A	av-watch-na.amazon.com
54.239.17.149	A	auth-zappos-na.amazon.com
54.239.17.172	A	appstore-sdk-swa-sandbox.amazon.com
54.239.17.195	A	kms.us-east-1.amazonaws.com
54.239.17.196	A	chime.aws.amazon.com
54.239.17.211	A	borealis-avs.amazon.com
54.239.17.224	A	service.chime.aws.amazon.com
54.239.17.231	A	lightsail.us-east-1.amazonaws.com
54.239.17.236	A	kms.us-east-1.amazonaws.com
54.239.17.248	A	insights.imdb.com
54.239.17.249	A	shopbylook.amazon.com
54.239.17.251	A	borealis-adms.amazon.com
54.239.17.252	A	na.amazonmoment.com
54.239.17.254	A	aeswidgets.amazon.ca
54.239.17.255	A	help.imdb.com
54.239.17.255	A	origin-help.imdb.com