Robtex

Up: 13.32.224.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.32.225.0/25
Down right: 13.32.225.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.32.225.1	PTR	server-13-32-225-1.zrh50.r.cloudfront.net
13.32.225.3	PTR	server-13-32-225-3.zrh50.r.cloudfront.net
13.32.225.11	A+PTR	server-13-32-225-11.zrh50.r.cloudfront.net
13.32.225.19	PTR	server-13-32-225-19.zrh50.r.cloudfront.net
13.32.225.29	PTR	server-13-32-225-29.zrh50.r.cloudfront.net
13.32.225.44	A+PTR	server-13-32-225-44.zrh50.r.cloudfront.net
13.32.225.48	A+PTR	server-13-32-225-48.zrh50.r.cloudfront.net
13.32.225.54	A+PTR	server-13-32-225-54.zrh50.r.cloudfront.net
13.32.225.106	A+PTR	server-13-32-225-106.zrh50.r.cloudfront.net
13.32.225.106	A	costcosipteam.slack.com
13.32.225.113	A+PTR	server-13-32-225-113.zrh50.r.cloudfront.net
13.32.225.114	PTR	server-13-32-225-114.zrh50.r.cloudfront.net
13.32.225.117	A+PTR	server-13-32-225-117.zrh50.r.cloudfront.net
13.32.225.157	A+PTR	server-13-32-225-157.zrh50.r.cloudfront.net
13.32.225.161	A+PTR	server-13-32-225-161.zrh50.r.cloudfront.net
13.32.225.167	A+PTR	server-13-32-225-167.zrh50.r.cloudfront.net
13.32.225.176	A+PTR	server-13-32-225-176.zrh50.r.cloudfront.net
13.32.225.177	A+PTR	server-13-32-225-177.zrh50.r.cloudfront.net
13.32.225.180	PTR	server-13-32-225-180.zrh50.r.cloudfront.net
13.32.225.188	PTR	server-13-32-225-188.zrh50.r.cloudfront.net
13.32.225.204	A+PTR	server-13-32-225-204.zrh50.r.cloudfront.net
13.32.225.204	A	kochetkovdmitry.slack.com
13.32.225.204	A	coinfono.slack.com
13.32.225.226	A+PTR	server-13-32-225-226.zrh50.r.cloudfront.net