Robtex

Up: 52.84.5.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 52.84.5.128/27
Down right: 52.84.5.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.84.5.166	PTR	server-52-84-5-166.maa51.r.cloudfront.net
52.84.5.166	A	server-52-84-5-166.ord54.r.cloudfront.net
52.84.5.166	A	shxeozrr.micpn.com
52.84.5.177	A+PTR	server-52-84-5-177.ord54.r.cloudfront.net