Robtex

Up: 52.84.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.91.0/25
Down right: 52.84.91.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.84.91.7	A+PTR	server-52-84-91-7.yul62.r.cloudfront.net
52.84.91.17	A+PTR	server-52-84-91-17.lhr62.r.cloudfront.net
52.84.91.17	A	static1.petro-cdn.net
52.84.91.17	A	static4.petro-cdn.net
52.84.91.38	A+PTR	server-52-84-91-38.yul62.r.cloudfront.net
52.84.91.43	A+PTR	server-52-84-91-43.lhr62.r.cloudfront.net
52.84.91.43	A	dy4vco94bjcdx.cloudfront.net
52.84.91.137	PTR	server-52-84-91-137.yul62.r.cloudfront.net
52.84.91.137	A	sunshine-proxy-test.dev.slack.com
52.84.91.137	A	dev.slack.com
52.84.91.186	A+PTR	server-52-84-91-186.lhr62.r.cloudfront.net
52.84.91.186	A	d-966724d7bd.awsapps.com