Robtex

Up: 52.84.51.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.51.0/26
Down right: 52.84.51.64/26
(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
52.84.51.64	A	d2glp9604qyu8g.cloudfront.net
52.84.51.65	A+PTR	server-52-84-51-65.sea32.r.cloudfront.net
52.84.51.67	A+PTR	server-52-84-51-67.sea32.r.cloudfront.net
52.84.51.69	PTR	server-52-84-51-69.sea32.r.cloudfront.net
52.84.51.69	A	holo.slack.com
52.84.51.69	A	tiffoyn.slack.com
52.84.51.70	A	tokenbox.slack.com
52.84.51.70	A	v-apps-team.slack.com
52.84.51.70	A	amarisqcteam.slack.com
52.84.51.71	A+PTR	server-52-84-51-71.sea32.r.cloudfront.net
52.84.51.73	A+PTR	server-52-84-51-73.sea32.r.cloudfront.net
52.84.51.73	A	d3abeplup23idj.cloudfront.net
52.84.51.73	A	d3u6t2mj3321tj.cloudfront.net
52.84.51.75	PTR	server-52-84-51-75.sea32.r.cloudfront.net
52.84.51.75	A	lm05team.slack.com
52.84.51.75	A	ptf-dig-ux.slack.com
52.84.51.77	PTR	server-52-84-51-77.ham50.r.cloudfront.net
52.84.51.77	A	server-52-84-51-77.sea32.r.cloudfront.net
52.84.51.77	A	decentgov.slack.com
52.84.51.78	A+PTR	server-52-84-51-78.sea32.r.cloudfront.net
52.84.51.79	A+PTR	server-52-84-51-79.sea32.r.cloudfront.net
52.84.51.79	A	d2gvyerb1fue9t.cloudfront.net
52.84.51.82	A+PTR	server-52-84-51-82.sea32.r.cloudfront.net
52.84.51.82	A	dgdaoo5rz504b.cloudfront.net
52.84.51.83	PTR	server-52-84-51-83.sea32.r.cloudfront.net
52.84.51.83	A	assets.txmblr.com
52.84.51.84	PTR	server-52-84-51-84.ham50.r.cloudfront.net
52.84.51.84	A	d3v8l1ifguqx2w.cloudfront.net
52.84.51.84	A	server-52-84-51-84.sea32.r.cloudfront.net
52.84.51.86	A+PTR	server-52-84-51-86.sea32.r.cloudfront.net
52.84.51.87	PTR	server-52-84-51-87.ham50.r.cloudfront.net
52.84.51.87	A	server-52-84-51-87.sea32.r.cloudfront.net
52.84.51.87	A	clippit.tv
52.84.51.98	A+PTR	server-52-84-51-98.sea32.r.cloudfront.net
52.84.51.98	A	d37ohxj80escnn.cloudfront.net
52.84.51.99	A+PTR	server-52-84-51-99.sea32.r.cloudfront.net
52.84.51.100	A+PTR	server-52-84-51-100.sea32.r.cloudfront.net
52.84.51.107	A+PTR	server-52-84-51-107.sea32.r.cloudfront.net
52.84.51.107	A	slm-assets1.secondlife.com
52.84.51.107	A	slm-assets3.secondlife.com
52.84.51.108	A+PTR	server-52-84-51-108.sea32.r.cloudfront.net
52.84.51.111	A+PTR	server-52-84-51-111.sea32.r.cloudfront.net
52.84.51.112	A+PTR	server-52-84-51-112.sea32.r.cloudfront.net
52.84.51.116	A	dwxgl9m7m48xz.cloudfront.net
52.84.51.120	A	d39smnjysntzsu.cloudfront.net
52.84.51.121	A+PTR	server-52-84-51-121.sea32.r.cloudfront.net
52.84.51.126	A+PTR	server-52-84-51-126.sea32.r.cloudfront.net
52.84.51.126	A	d3uczqgfkul25q.cloudfront.net