Robtex

Up: 52.222.148.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 52.222.148.128/26
Down right: 52.222.148.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.222.148.148	A+PTR	server-52-222-148-148.fra53.r.cloudfront.net
52.222.148.164	A	biol2110.slack.com
52.222.148.164	A	welton.slack.com
52.222.148.164	A	ibm-gbs-lk.slack.com
52.222.148.195	PTR	server-52-222-148-195.cdg52.r.cloudfront.net
52.222.148.195	A	rbwholesale.slack.com
52.222.148.195	A	dteh.slack.com