Robtex

Up: 52.222.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 52.222.184.0/23
Down right: 52.222.186.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.222.184.18	A+PTR	server-52-222-184-18.bom52.r.cloudfront.net
52.222.184.18	A	dllxll5qpwzpg.cloudfront.net
52.222.184.32	A+PTR	server-52-222-184-32.bom52.r.cloudfront.net
52.222.184.32	A	d2did1ej1vlb4r.cloudfront.net
52.222.184.64	A	www.meetgroup.net
52.222.184.81	A	d2udg3pccbhwo7.cloudfront.net
52.222.184.91	A	datadoghq.slack.com
52.222.184.117	A	d1ynun6jlsnb6b.cloudfront.net
52.222.184.126	A	d2udg3pccbhwo7.cloudfront.net
52.222.184.130	A	d2udg3pccbhwo7.cloudfront.net
52.222.184.165	A+PTR	server-52-222-184-165.bom52.r.cloudfront.net
52.222.184.165	A	d32jlwd6wqfxei.cloudfront.net
52.222.184.177	A+PTR	server-52-222-184-177.bom52.r.cloudfront.net
52.222.184.207	A	d2udg3pccbhwo7.cloudfront.net
52.222.184.209	A	www.meetgroup.net
52.222.184.217	A	www.meetgroup.net
52.222.184.226	A	www.meetgroup.net
52.222.184.238	A	jausainc.slack.com
52.222.184.238	A	fwfsg.slack.com
52.222.184.238	A	cheddartv.slack.com
52.222.185.20	A	d5q2q2eixi8sz.cloudfront.net
52.222.185.56	A+PTR	server-52-222-185-56.bom52.r.cloudfront.net
52.222.185.56	A	d3jhcoxlb67sup.cloudfront.net
52.222.185.75	A+PTR	server-52-222-185-75.bom52.r.cloudfront.net
52.222.185.149	A+PTR	server-52-222-185-149.bom52.r.cloudfront.net
52.222.185.254	A+PTR	server-52-222-185-254.bom52.r.cloudfront.net
52.222.186.47	PTR	server-52-222-186-47.ham50.r.cloudfront.net
52.222.186.79	A+PTR	server-52-222-186-79.bom52.r.cloudfront.net
52.222.186.102	PTR	server-52-222-186-102.ham50.r.cloudfront.net
52.222.186.165	A	is1-0.housingcdn.com
52.222.186.199	A+PTR	server-52-222-186-199.bom52.r.cloudfront.net
52.222.186.246	A	live.torontosun.com
52.222.186.246	A	sunmedia.site.scribblelive.com