Robtex

Up: 192.165.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.165.170.0/25
Down right: 192.165.170.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.165.170.1	A+PTR	gw1.carefilter.com
192.165.170.2	A+PTR	server.carefilter.com
192.165.170.2	A	www.carefilter.com
192.165.170.2	A	mail.carefilter.com
192.165.170.3	A+PTR	watcher.carefilter.com
192.165.170.4	A+PTR	generator.carefilter.com
192.165.170.5	A+PTR	filterlab.netcleanwhitebox.com
192.165.170.5	A	bruse1.lab.carefilter.com
192.165.170.6	A	target.carefilter.com
192.165.170.8	PTR	oob.bruse1.lab.carefilter.com
192.165.170.9	A+PTR	staging.carefilter.com
192.165.170.11	PTR	xenon.carefilter.com
192.165.170.23	A+PTR	oob.labblocker.carefilter.com
192.165.170.31	A+PTR	master2.vpslab.carefilter.com
192.165.170.88	A+PTR	neopren.carefilter.com
192.165.170.253	A+PTR	exodus.carefilter.com