Robtex

Up: 72.21.194.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 72.21.194.0/26
Down right: 72.21.194.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.21.194.1	A	origin-www.amazon.com
72.21.194.13	PTR	s3-website-us-east-1.amazonaws.com
72.21.194.13	A	mail.somersethillsgirlslacrosse.com
72.21.194.13	A	psergeev.com
72.21.194.14	PTR	s3-console-us-standard.amazonaws.com
72.21.194.15	PTR	s3-1.amazonaws.com
72.21.194.16	PTR	s3-1-w.amazonaws.com
72.21.194.16	A	tibco-s3.s3.amazonaws.com
72.21.194.16	A	vice-ads.s3.amazonaws.com
72.21.194.17	PTR	s3-external-1.amazonaws.com
72.21.194.20	PTR	s3-website-us-east-1.amazonaws.com
72.21.194.20	A	marshmellowchai.com
72.21.194.20	A	themotel-film.com
72.21.194.21	A+PTR	s3-console-us-standard.amazonaws.com
72.21.194.22	PTR	s3-1.amazonaws.com
72.21.194.23	PTR	s3-1-w.amazonaws.com
72.21.194.23	A	b.wouldyouhitthis.com.s3.amazonaws.com
72.21.194.23	A	easytouch.com.s3.amazonaws.com
72.21.194.24	PTR	s3-external-1.amazonaws.com
72.21.194.29	PTR	s3-website-us-east-1.amazonaws.com
72.21.194.31	PTR	s3-1.amazonaws.com
72.21.194.32	PTR	s3-1-w.amazonaws.com
72.21.194.33	PTR	s3-external-1.amazonaws.com
72.21.194.35	A	www.local.amazon.com
72.21.194.35	A	local.amazon.com
72.21.194.42	A	a8oub496iacxt-a2xk0c8l0y3b2-w-us.webstore-images.com
72.21.194.42	A	www.webstore-images.com
72.21.194.42	A	internal.webstore-images.com
72.21.194.50	A	mechanicalturk.amazonaws.com
72.21.194.52	A	rds.amazonaws.com
72.21.194.54	A	s.amazon-cornerstone.com
72.21.194.57	PTR	tracker.amazonaws.com
72.21.194.95	A	www.ams.amazon.com
72.21.194.95	A	ams.amazon.com
72.21.194.107	A	cdl.audible.com
72.21.194.109	A	fals.atv-ps.amazon.com
72.21.194.111	A	kdk.amazon.com
72.21.194.120	A	advantage.amazon.ca
72.21.194.124	A	stcds.audible.com
72.21.194.125	A	sms-in.amazon.com