Robtex

Up: 52.222.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 52.222.197.0/25
Down right: 52.222.197.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.222.197.14	A+PTR	server-52-222-197-14.nrt20.r.cloudfront.net
52.222.197.21	A	d2tkvgxurq1dr0.cloudfront.net
52.222.197.31	A	fuhu.com
52.222.197.39	PTR	server-52-222-197-39.cdg50.r.cloudfront.net
52.222.197.39	A	centralnjinfosec.slack.com
52.222.197.39	A	nortemkt.slack.com
52.222.197.61	A+PTR	server-52-222-197-61.nrt20.r.cloudfront.net
52.222.197.67	A	nodesource.slack.com
52.222.197.75	A+PTR	server-52-222-197-75.nrt20.r.cloudfront.net
52.222.197.75	A	connecticon.slack.com
52.222.197.75	A	silkroad-talk.slack.com
52.222.197.77	A+PTR	server-52-222-197-77.nrt20.r.cloudfront.net
52.222.197.85	A+PTR	server-52-222-197-85.nrt20.r.cloudfront.net
52.222.197.85	A	ds064dijssl1t.cloudfront.net
52.222.197.106	A+PTR	server-52-222-197-106.nrt20.r.cloudfront.net
52.222.197.106	A	d1zlz51h28szav.cloudfront.net
52.222.197.106	A	d353dnnsbm37ti.cloudfront.net
52.222.197.109	A	tv-static.net
52.222.197.128	A+PTR	server-52-222-197-128.nrt20.r.cloudfront.net
52.222.197.151	A+PTR	server-52-222-197-151.nrt20.r.cloudfront.net
52.222.197.151	A	currencyfairy.com
52.222.197.199	A+PTR	server-52-222-197-199.nrt20.r.cloudfront.net
52.222.197.199	A	d2yv6cqq8cnqfm.cloudfront.net
52.222.197.201	A	yph.slack.com
52.222.197.201	A	digitalmarketing2018.slack.com
52.222.197.201	A	msmgo.slack.com
52.222.197.228	A+PTR	server-52-222-197-228.nrt20.r.cloudfront.net
52.222.197.236	A+PTR	server-52-222-197-236.nrt20.r.cloudfront.net
52.222.197.236	A	mojaloop.slack.com
52.222.197.236	A	igina.slack.com
52.222.197.247	PTR	server-52-222-197-247.cdg50.r.cloudfront.net
52.222.197.247	A	trustcompanyofamerica.slack.com
52.222.197.247	A	server-52-222-197-247.nrt20.r.cloudfront.net