Robtex

Up: 192.206.236.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 192.206.238.0/24
Down right: 192.206.239.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.206.238.2	A	ftp.aaacooper.com
192.206.238.4	A+PTR	dc2vpn.aaacooper.com
192.206.238.4	A+PTR	salesvpn.aaacooper.com
192.206.238.4	A+PTR	vpn.aaacooper.com
192.206.238.9	A+PTR	ecm.aaacooper.com
192.206.238.9	A+PTR	ecm3.aaacooper.com
192.206.238.9	A+PTR	wsportal.aaacooper.com
192.206.238.12	A	ess.aaacooper.com
192.206.238.12	A	aaalawp.aaacooper.com
192.206.238.16	A+PTR	ecm1.aaacooper.com
192.206.238.76	A	track.actdedicated.com
192.206.238.140	PTR	aact.com
192.206.238.140	PTR	www3.aaacooper.com
192.206.238.140	A+PTR	www.aaacooper.com
192.206.238.231	A+PTR	dsportal.aaacooper.com
192.206.239.4	A	salesvpn.aaacooper.com
192.206.239.4	A	vpn.aaacooper.com
192.206.239.9	A	ecm3.aaacooper.com
192.206.239.9	A	ecm.aaacooper.com
192.206.239.9	A	wsportal.aaacooper.com
192.206.239.12	A+PTR	ess.aaacooper.com
192.206.239.12	A+PTR	aaalawp.aaacooper.com
192.206.239.16	A+PTR	ecm1.aaacooper.com
192.206.239.75	A	ftp.aaacooper.com
192.206.239.80	A	devapp.aaacooper.com
192.206.239.140	PTR	aact.com
192.206.239.140	A+PTR	www.aaacooper.com
192.206.239.140	PTR	www3.aaacooper.com
192.206.239.161	A	mail.aaacooper.com
192.206.239.231	PTR	dsportal.aaacooper.com