Robtex

Up: 66.227.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.227.41.0/25
Down right: 66.227.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.227.41.11	PTR	test-foxroach.com
66.227.41.11	PTR	tridentinsuranceagency.com
66.227.41.11	PTR	tridentmortgage.com
66.227.41.25	A+PTR	mail.scscommodities.com
66.227.41.25	A+PTR	mail02.scscommodities.com
66.227.41.25	PTR	mail.scsenergycorp.com