Robtex

Up: 13.33.110.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.111.0/25
Down right: 13.33.111.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.111.6	A+PTR	server-13-33-111-6.man50.r.cloudfront.net
13.33.111.16	A	www.milanuncios.com
13.33.111.22	A+PTR	server-13-33-111-22.man50.r.cloudfront.net
13.33.111.22	A	5we9lyri.micpn.com
13.33.111.22	A	3gb21byn.micpn.com
13.33.111.35	A+PTR	server-13-33-111-35.man50.r.cloudfront.net
13.33.111.65	A+PTR	server-13-33-111-65.man50.r.cloudfront.net
13.33.111.67	A+PTR	server-13-33-111-67.man50.r.cloudfront.net
13.33.111.77	A	d296je7bbdd650.cloudfront.net
13.33.111.89	A+PTR	server-13-33-111-89.man50.r.cloudfront.net
13.33.111.129	A+PTR	server-13-33-111-129.man50.r.cloudfront.net
13.33.111.132	PTR	server-13-33-111-132.man50.r.cloudfront.net
13.33.111.159	A+PTR	server-13-33-111-159.man50.r.cloudfront.net
13.33.111.159	A	d1a5whj5ix286i.cloudfront.net
13.33.111.161	A+PTR	server-13-33-111-161.man50.r.cloudfront.net
13.33.111.189	A+PTR	server-13-33-111-189.man50.r.cloudfront.net
13.33.111.217	A+PTR	server-13-33-111-217.phx50.r.cloudfront.net