Robtex

Up: 52.85.239.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 52.85.239.128/26
Down right: 52.85.239.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.85.239.142	A	rtrurostelecom.slack.com
52.85.239.142	A	caterpillar-crew.slack.com
52.85.239.142	A	meyersplus.slack.com
52.85.239.172	A	d1blby3wagbc9f.arn1.cloudfront.net
52.85.239.175	A	d1blby3wagbc9f.arn1.cloudfront.net
52.85.239.194	A	live.aws.iaaf.org
52.85.239.202	A	d1blby3wagbc9f.arn1.cloudfront.net
52.85.239.228	A	d1blby3wagbc9f.arn1.cloudfront.net
52.85.239.229	A+PTR	server-52-85-239-229.arn1.r.cloudfront.net
52.85.239.243	A+PTR	server-52-85-239-243.arn1.r.cloudfront.net