Robtex

Up: 52.84.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.8.0/25
Down right: 52.84.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.84.8.0	A+PTR	server-52-84-8-0.ord54.r.cloudfront.net
52.84.8.11	A+PTR	server-52-84-8-11.ord54.r.cloudfront.net
52.84.8.15	A+PTR	server-52-84-8-15.ord54.r.cloudfront.net
52.84.8.34	A+PTR	server-52-84-8-34.ord54.r.cloudfront.net
52.84.8.44	A+PTR	server-52-84-8-44.ord54.r.cloudfront.net
52.84.8.65	A	s.salecycle.com
52.84.8.71	A+PTR	server-52-84-8-71.ord54.r.cloudfront.net
52.84.8.77	A+PTR	server-52-84-8-77.ord54.r.cloudfront.net
52.84.8.77	A	semissionteam.slack.com
52.84.8.77	A	paypal.slack.com
52.84.8.88	A+PTR	server-52-84-8-88.ord54.r.cloudfront.net
52.84.8.89	A	dysgohzse830r.cloudfront.net
52.84.8.89	A	cf-encrypted-hls-media.sndcdn.com
52.84.8.90	A+PTR	server-52-84-8-90.ord54.r.cloudfront.net
52.84.8.92	A+PTR	server-52-84-8-92.ord54.r.cloudfront.net
52.84.8.97	PTR	server-52-84-8-97.maa51.r.cloudfront.net
52.84.8.97	A	server-52-84-8-97.ord54.r.cloudfront.net
52.84.8.109	A+PTR	server-52-84-8-109.ord54.r.cloudfront.net
52.84.8.116	PTR	server-52-84-8-116.ord54.r.cloudfront.net
52.84.8.116	A	prod-replay-eu-west-1-public.periscope.tv
52.84.8.119	A+PTR	server-52-84-8-119.ord54.r.cloudfront.net
52.84.8.120	PTR	server-52-84-8-120.maa51.r.cloudfront.net
52.84.8.120	A	server-52-84-8-120.ord54.r.cloudfront.net
52.84.8.128	A+PTR	server-52-84-8-128.ord54.r.cloudfront.net
52.84.8.130	A+PTR	server-52-84-8-130.ord54.r.cloudfront.net
52.84.8.130	A	acloudguru.s3-accelerate.amazonaws.com
52.84.8.130	A	abhishek.s3-accelerate.amazonaws.com
52.84.8.146	A+PTR	server-52-84-8-146.ord54.r.cloudfront.net
52.84.8.147	A+PTR	server-52-84-8-147.ord54.r.cloudfront.net
52.84.8.160	A+PTR	server-52-84-8-160.ord54.r.cloudfront.net
52.84.8.160	A	dqdsyrgax0vmd.cloudfront.net
52.84.8.164	A+PTR	server-52-84-8-164.ord54.r.cloudfront.net
52.84.8.164	A	cdn01.pinkoi.com
52.84.8.171	A	jinsam-webview-resources.s3-accelerate.amazonaws.com
52.84.8.172	A+PTR	server-52-84-8-172.ord54.r.cloudfront.net
52.84.8.174	A+PTR	server-52-84-8-174.ord54.r.cloudfront.net
52.84.8.181	A+PTR	server-52-84-8-181.ord54.r.cloudfront.net
52.84.8.182	PTR	server-52-84-8-182.maa51.r.cloudfront.net
52.84.8.182	A	server-52-84-8-182.ord54.r.cloudfront.net
52.84.8.202	A+PTR	server-52-84-8-202.ord54.r.cloudfront.net
52.84.8.202	A	cannabisforums.smugmug.com
52.84.8.202	A	bobibrahim23.smugmug.com
52.84.8.204	A+PTR	server-52-84-8-204.ord54.r.cloudfront.net
52.84.8.204	A	win-ayuda-733.s3-accelerate.amazonaws.com
52.84.8.204	A	win-help-926.s3-accelerate.amazonaws.com
52.84.8.219	A+PTR	server-52-84-8-219.ord54.r.cloudfront.net
52.84.8.228	A+PTR	server-52-84-8-228.ord54.r.cloudfront.net
52.84.8.228	A	stagev2-www.lifelock.com
52.84.8.230	A+PTR	server-52-84-8-230.ord54.r.cloudfront.net
52.84.8.239	A	sourcedconsulting.slack.com
52.84.8.240	A+PTR	server-52-84-8-240.ord54.r.cloudfront.net
52.84.8.247	A+PTR	server-52-84-8-247.ord54.r.cloudfront.net
52.84.8.248	A	dbijdondttuuo.cloudfront.net
52.84.8.252	A	d33rk8qsdw5nrv.cloudfront.net