Robtex

Up: 52.84.20.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.20.128/26
Down right: 52.84.20.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.84.20.128	A	files.connectwise.com
52.84.20.131	A+PTR	server-52-84-20-131.sea32.r.cloudfront.net
52.84.20.136	A+PTR	server-52-84-20-136.sea32.r.cloudfront.net
52.84.20.140	A+PTR	server-52-84-20-140.sea32.r.cloudfront.net
52.84.20.140	A	d383weybrk47cg.cloudfront.net
52.84.20.144	PTR	server-52-84-20-144.sea32.r.cloudfront.net
52.84.20.144	A	latimes.site.scribblelive.com
52.84.20.144	A	corriere.site.scribblelive.com
52.84.20.145	PTR	server-52-84-20-145.sea32.r.cloudfront.net
52.84.20.149	PTR	server-52-84-20-149.sea32.r.cloudfront.net
52.84.20.149	A	hbll-lit.slack.com
52.84.20.149	A	merkurteam.slack.com
52.84.20.159	A+PTR	server-52-84-20-159.sea32.r.cloudfront.net
52.84.20.162	PTR	server-52-84-20-162.ord53.r.cloudfront.net
52.84.20.162	A	nabi.foozkids.com
52.84.20.162	A	dl9hp1b8iaots.cloudfront.net
52.84.20.175	A+PTR	server-52-84-20-175.sea32.r.cloudfront.net
52.84.20.181	PTR	server-52-84-20-181.ord53.r.cloudfront.net
52.84.20.181	A	excotoco.slack.com
52.84.20.181	A	carenamd.slack.com
52.84.20.184	A	d9ng3qrti0rjk.cloudfront.net
52.84.20.186	A+PTR	server-52-84-20-186.sea32.r.cloudfront.net
52.84.20.186	A	d2zsx2j3dr22tc.cloudfront.net
52.84.20.186	A	d3k2hsg4ma745s.cloudfront.net
52.84.20.187	PTR	server-52-84-20-187.sea32.r.cloudfront.net
52.84.20.188	A	cdn.smartrecruiters.com
52.84.20.191	A	amayesingphotography.com
52.84.20.191	A	bastianbauwens.com
52.84.20.191	A	bobstoner.smugmug.com
52.84.20.192	A+PTR	server-52-84-20-192.sea32.r.cloudfront.net
52.84.20.192	A	dy7t0zkjx7o42.cloudfront.net
52.84.20.194	A	d3mk5yskqkz3x0.cloudfront.net
52.84.20.195	A+PTR	server-52-84-20-195.sea32.r.cloudfront.net
52.84.20.196	PTR	server-52-84-20-196.sea32.r.cloudfront.net
52.84.20.196	A	bingadssciences.slack.com
52.84.20.196	A	stu-di.slack.com
52.84.20.197	A	summer-time-studio.slack.com
52.84.20.197	A	planetscm.slack.com
52.84.20.197	A	skitestteam.slack.com
52.84.20.199	A	live.jsonline.com
52.84.20.199	A	jsonline.site.scribblelive.com
52.84.20.200	PTR	server-52-84-20-200.sea32.r.cloudfront.net
52.84.20.200	A	benepia-tf.slack.com
52.84.20.200	A	voice-complate.slack.com
52.84.20.201	A+PTR	server-52-84-20-201.sea32.r.cloudfront.net
52.84.20.202	A	www.t-x.io
52.84.20.223	A+PTR	server-52-84-20-223.sea32.r.cloudfront.net
52.84.20.236	PTR	server-52-84-20-236.ord53.r.cloudfront.net
52.84.20.236	A	server-52-84-20-236.sea32.r.cloudfront.net
52.84.20.236	A	d7gw26k8vnrno.cloudfront.net
52.84.20.238	A+PTR	server-52-84-20-238.sea32.r.cloudfront.net
52.84.20.239	PTR	server-52-84-20-239.sea32.r.cloudfront.net
52.84.20.239	A	engiecoe.slack.com
52.84.20.239	A	swissre-sandbox.slack.com
52.84.20.240	A	media.onthemarket.com
52.84.20.241	A+PTR	server-52-84-20-241.sea32.r.cloudfront.net
52.84.20.241	A	win-ayuda-727.s3-accelerate.amazonaws.com
52.84.20.243	A+PTR	server-52-84-20-243.sea32.r.cloudfront.net
52.84.20.243	A	dv4dx4g3w8ea8.cloudfront.net
52.84.20.245	A+PTR	server-52-84-20-245.sea32.r.cloudfront.net
52.84.20.246	A+PTR	server-52-84-20-246.sea32.r.cloudfront.net
52.84.20.246	A	d12dj7ytm0t2bf.cloudfront.net
52.84.20.249	A+PTR	server-52-84-20-249.sea32.r.cloudfront.net
52.84.20.249	A	mundiplan.s3-accelerate.amazonaws.com
52.84.20.252	A+PTR	server-52-84-20-252.sea32.r.cloudfront.net
52.84.20.252	A	ptccs.slack.com
52.84.20.253	A+PTR	server-52-84-20-253.sea32.r.cloudfront.net
52.84.20.253	A	barwa-bank.slack.com
52.84.20.254	A+PTR	server-52-84-20-254.sea32.r.cloudfront.net