Robtex

Up: 38.15.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 38.15.64.0/19
Down right: 38.15.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
38.15.67.6	A+PTR	bigip02.sweb.iad03.atlas.cogentco.com
38.15.67.10	A	greenhousefarming.com
38.15.67.10	A	growingsystems.com
38.15.67.68	A	vista-sw.com
38.15.67.68	A	dunbar-wolfe.com
38.15.67.68	A	niagaracottages.com