Robtex

Up: 52.84.51.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.51.0/27
Down right: 52.84.51.32/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.84.51.4	A+PTR	server-52-84-51-4.sea32.r.cloudfront.net
52.84.51.6	A+PTR	server-52-84-51-6.sea32.r.cloudfront.net
52.84.51.6	A	assets.txmblr.com
52.84.51.6	A	d2glp9604qyu8g.cloudfront.net
52.84.51.9	A+PTR	server-52-84-51-9.sea32.r.cloudfront.net
52.84.51.9	A	dbfv8p2wljo34.cloudfront.net
52.84.51.10	A+PTR	server-52-84-51-10.sea32.r.cloudfront.net
52.84.51.12	A+PTR	server-52-84-51-12.sea32.r.cloudfront.net
52.84.51.12	A	media7.trover.com
52.84.51.14	A+PTR	server-52-84-51-14.sea32.r.cloudfront.net
52.84.51.14	A	d1ynun6jlsnb6b.cloudfront.net
52.84.51.18	A+PTR	server-52-84-51-18.sea32.r.cloudfront.net
52.84.51.18	A	www.fuhu.com
52.84.51.19	A+PTR	server-52-84-51-19.sea32.r.cloudfront.net
52.84.51.19	A	d22h8rmd1m95g.cloudfront.net
52.84.51.21	A+PTR	server-52-84-51-21.sea32.r.cloudfront.net
52.84.51.21	A	d216kesyurj1rd.cloudfront.net
52.84.51.23	A+PTR	server-52-84-51-23.sea32.r.cloudfront.net
52.84.51.26	PTR	server-52-84-51-26.sea32.r.cloudfront.net
52.84.51.26	A	d3aq68iuv0o1kj.cloudfront.net
52.84.51.26	A	livebela.slack.com
52.84.51.28	A+PTR	server-52-84-51-28.sea32.r.cloudfront.net
52.84.51.30	A+PTR	server-52-84-51-30.sea32.r.cloudfront.net
52.84.51.32	A+PTR	server-52-84-51-32.sea32.r.cloudfront.net
52.84.51.34	A+PTR	server-52-84-51-34.sea32.r.cloudfront.net
52.84.51.34	A	images.rsvp.com.au
52.84.51.36	A+PTR	server-52-84-51-36.sea32.r.cloudfront.net
52.84.51.37	PTR	server-52-84-51-37.sea32.r.cloudfront.net
52.84.51.37	A	scigility.slack.com
52.84.51.37	A	sharedtech-capitalone.slack.com
52.84.51.39	A+PTR	server-52-84-51-39.sea32.r.cloudfront.net
52.84.51.39	A	zt.1rx.io
52.84.51.44	A+PTR	server-52-84-51-44.sea32.r.cloudfront.net
52.84.51.47	A+PTR	server-52-84-51-47.sea32.r.cloudfront.net
52.84.51.47	A	mt75.slack.com
52.84.51.47	A	svyaznoyteam.slack.com
52.84.51.50	A	littlefield.sb.roku.com
52.84.51.54	A+PTR	server-52-84-51-54.sea32.r.cloudfront.net
52.84.51.56	PTR	server-52-84-51-56.sea32.r.cloudfront.net
52.84.51.56	A	prototyping201708.slack.com
52.84.51.56	A	vfg-vcoe.slack.com
52.84.51.58	A+PTR	server-52-84-51-58.sea32.r.cloudfront.net
52.84.51.58	A	d2glp9604qyu8g.cloudfront.net
52.84.51.60	A+PTR	server-52-84-51-60.sea32.r.cloudfront.net
52.84.51.61	PTR	server-52-84-51-61.sea32.r.cloudfront.net
52.84.51.61	A	acsis.slack.com
52.84.51.61	A	xactwaresupport.slack.com