Robtex

Up: 13.32.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 13.32.220.0/24
Down right: 13.32.221.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.32.220.47	A+PTR	server-13-32-220-47.fra56.r.cloudfront.net
13.32.220.47	A	cerbo.slack.com
13.32.220.47	A	q18.slack.com
13.32.220.51	A	work.slack.com
13.32.220.51	A	sockspill.www.shop.swarmgroup.slack.com
13.32.220.51	A	pad956.slack.com
13.32.220.54	A+PTR	server-13-32-220-54.fra56.r.cloudfront.net
13.32.220.54	A	6xulsokz.micpn.com
13.32.220.77	A+PTR	server-13-32-220-77.fra56.r.cloudfront.net
13.32.221.10	A+PTR	server-13-32-221-10.fra56.r.cloudfront.net
13.32.221.29	A	d1pab5siy4zovl.cloudfront.net
13.32.221.37	A+PTR	server-13-32-221-37.fra56.r.cloudfront.net
13.32.221.45	A	d1pab5siy4zovl.cloudfront.net
13.32.221.46	A+PTR	server-13-32-221-46.fra56.r.cloudfront.net
13.32.221.53	A+PTR	server-13-32-221-53.fra56.r.cloudfront.net
13.32.221.53	A	beta.us-west-2.iot.amazonaws.com
13.32.221.57	A	d1pab5siy4zovl.cloudfront.net
13.32.221.59	A	d1pab5siy4zovl.cloudfront.net
13.32.221.205	A+PTR	server-13-32-221-205.fra56.r.cloudfront.net
13.32.221.206	A+PTR	server-13-32-221-206.fra56.r.cloudfront.net
13.32.221.211	A+PTR	server-13-32-221-211.fra56.r.cloudfront.net
13.32.221.216	A	server-13-32-221-216.fra56.r.cloudfront.net
13.32.221.219	A+PTR	server-13-32-221-219.fra56.r.cloudfront.net