Robtex

Up: 52.222.223.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 52.222.223.0/26
Down right: 52.222.223.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.222.223.14	PTR	server-52-222-223-14.hkg53.r.cloudfront.net
52.222.223.14	A	br-tutoresnextu.slack.com
52.222.223.14	A	eveo-cloud.slack.com
52.222.223.39	A+PTR	server-52-222-223-39.hkg53.r.cloudfront.net
52.222.223.39	A	trojanv511.slack.com