Robtex

Up: 52.222.200.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 52.222.202.0/24
Down right: 52.222.203.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.222.202.9	A	spinnbeasts.slack.com
52.222.202.9	A	skp-chanel.slack.com
52.222.202.9	A	dcos-group.slack.com
52.222.202.50	A	skplanet-openapi.slack.com
52.222.202.50	A	sktx-golang.slack.com
52.222.202.50	A	bucksccc.slack.com
52.222.202.73	A+PTR	server-52-222-202-73.nrt20.r.cloudfront.net
52.222.202.88	A	practicefusion.slack.com
52.222.202.89	A+PTR	server-52-222-202-89.nrt20.r.cloudfront.net
52.222.202.89	A	d34si3zejoaeft.cloudfront.net
52.222.202.100	PTR	server-52-222-202-100.nrt20.r.cloudfront.net
52.222.202.100	A	ballholdings.slack.com
52.222.202.100	A	dubaidifc.slack.com
52.222.202.172	A+PTR	server-52-222-202-172.nrt20.r.cloudfront.net
52.222.202.172	A	d17pct0q4rn4zd.cloudfront.net
52.222.202.199	PTR	server-52-222-202-199.nrt20.r.cloudfront.net
52.222.202.199	A	winds-song.slack.com
52.222.202.199	A	dark-inkpress.slack.com
52.222.202.201	A	aviapark.slack.com
52.222.202.201	A	www.healthgrades.com
52.222.202.205	PTR	server-52-222-202-205.nrt20.r.cloudfront.net
52.222.202.205	A	capds.slack.com
52.222.202.205	A	skplanetworkspace.slack.com
52.222.202.207	A	flexcom.slack.com
52.222.202.207	A	skt-aia.slack.com
52.222.202.207	A	api.slack.com
52.222.202.232	A+PTR	server-52-222-202-232.nrt20.r.cloudfront.net
52.222.202.239	A	apphonest.com
52.222.202.239	A	letsplayhonest.com
52.222.202.239	A	behonestgame.com
52.222.202.241	A+PTR	server-52-222-202-241.nrt20.r.cloudfront.net
52.222.203.10	PTR	server-52-222-203-10.lax53.r.cloudfront.net
52.222.203.10	A	d3ud5qvs3fd1mu.cloudfront.net
52.222.203.10	A	server-52-222-203-10.nrt20.r.cloudfront.net
52.222.203.31	A+PTR	server-52-222-203-31.nrt20.r.cloudfront.net
52.222.203.31	A	d3jga1r817knmr.cloudfront.net
52.222.203.54	PTR	server-52-222-203-54.nrt20.r.cloudfront.net
52.222.203.54	A	crosset.onward.co.jp
52.222.203.145	A+PTR	server-52-222-203-145.nrt20.r.cloudfront.net
52.222.203.145	A	d2g9kr7xk4z50f.cloudfront.net