Robtex

Up: 66.54.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.54.228.0/23
Down right: 66.54.230.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.54.228.9	A	expertclinicalbenchmarks.com
66.54.228.9	A	ptbenchmarks.com
66.54.228.9	A	otbenchmarks.com
66.54.228.14	A	paswif.medrisknet.com
66.54.228.43	A	mail.expertclinicalbenchmarks.com
66.54.228.67	PTR	in-addr.arpa.mediaguide
66.54.228.126	A	pabcw0-wall0.xdtn.com
66.54.228.126	A	asterisk.xdtn.com
66.54.228.126	A	corp-pbx.xdtn.com
66.54.228.132	A	chartlink.solishc.com
66.54.228.133	A+PTR	eforms.solishc.com
66.54.228.226	A+PTR	mail.icpartners.com
66.54.228.226	A	mail.lubertadler.com
66.54.228.226	A	mail.versafund.com
66.54.228.243	PTR	pgtv.com
66.54.228.253	PTR	pgtv.com
66.54.229.64	A	advise-trac.neumann.edu
66.54.229.65	A	wreck-one.neumann.edu
66.54.229.67	A+PTR	ecash.neumann.edu
66.54.229.68	A	sharepoint.neumann.edu
66.54.229.69	A	reset.neumann.edu
66.54.229.70	A	controls.neumann.edu
66.54.229.132	A	webscan01.holyfamily.edu
66.54.229.146	A	gwia01.holyfamily.edu
66.54.229.155	A	ns1.holyfamily.edu
66.54.229.156	A	ns2.holyfamily.edu
66.54.229.173	A	ftp.holyfamily.edu
66.54.229.179	A+PTR	bb2.holyfamily.edu
66.54.229.179	A+PTR	blackboard2.holyfamily.edu
66.54.229.189	PTR	firewall01.holyfamily.edu
66.54.229.202	A	mail1.libertyhealth.com
66.54.229.202	A	lhcdc2.libertyhealth.com
66.54.229.203	A+PTR	webconference.libertyhealth.com
66.54.229.204	A	email.libertyhealth.com
66.54.229.205	A+PTR	meglibertyhealth.libertyhealth.com
66.54.229.205	A+PTR	webservices.libertyhealth.com
66.54.230.4	PTR	sapvpn.judgebusiness.com
66.54.230.4	A	www.judgechina.com
66.54.230.4	A	www.exeqpartners.com
66.54.230.23	PTR	mail1.judgemail.net
66.54.230.232	A+PTR	training.berkeleytraining.com
66.54.230.232	A	dev.berkeleytraining.com
66.54.230.234	A+PTR	savantpool.com
66.54.230.234	A+PTR	www.savantpool.com