Robtex

Up: 13.33.243.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.243.128/26
Down right: 13.33.243.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.243.129	A+PTR	server-13-33-243-129.hel50.r.cloudfront.net
13.33.243.129	A	kochchemtech.com
13.33.243.129	A	evolve-legal.com
13.33.243.137	A+PTR	server-13-33-243-137.hel50.r.cloudfront.net
13.33.243.137	A	bbbslancaster.org
13.33.243.160	A+PTR	server-13-33-243-160.hel50.r.cloudfront.net
13.33.243.165	A+PTR	server-13-33-243-165.hel50.r.cloudfront.net
13.33.243.231	A+PTR	server-13-33-243-231.hel50.r.cloudfront.net
13.33.243.231	A	bbbslancaster.org
13.33.243.241	A+PTR	server-13-33-243-241.hel50.r.cloudfront.net
13.33.243.241	A	78fphexb.micpn.com
13.33.243.241	A	8urgbn0g.micpn.com