Robtex

Up: 204.227.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.227.1.0/25
Down right: 204.227.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.227.1.6	A	bwscgis.managedsp.com
204.227.1.7	A+PTR	webgis.managedsp.com
204.227.1.10	A	bnvp.org
204.227.1.11	A	mtamarcdms.com
204.227.1.12	A	lrv4dms.com
204.227.1.13	A	mta-afc.com
204.227.1.14	A	wmatacms.org
204.227.1.15	A	wmatadms.com
204.227.1.16	A	mtametrodms.com
204.227.1.17	A	pathdms.com
204.227.1.18	A	mtalrvoh.com
204.227.1.28	A	translinkpm.org
204.227.1.29	A	nyctdms.com
204.227.1.30	A	mbtagl7sso.org
204.227.1.40	A+PTR	vamegaprojects.com
204.227.1.40	A+PTR	dev.vamegaprojects.com
204.227.1.40	A	getaroundva.com
204.227.1.41	A	svn.dts-global.com.dts-global.com
204.227.1.41	A	dts-global.com.dts-global.com
204.227.1.41	A	dts-global.com
204.227.1.51	A	programperformanceportal.com
204.227.1.51	A	mail.sufva.net
204.227.1.52	PTR	neorsdpmo.org
204.227.1.52	PTR	test.neorsdpmo.org
204.227.1.53	A	r211dms.com
204.227.1.71	A	cmmbsmtp1.managedsp.com
204.227.1.76	A+PTR	cmmb-portal.managedsp.com
204.227.1.76	PTR	cmmbtest.managedsp.com
204.227.1.82	A	lametrodms.org
204.227.1.95	A	compliance-on-demand.com
204.227.1.109	A	verizonwireless.managedsp.com
204.227.1.109	A	suffolksses.managedsp.com
204.227.1.109	A	sandhills.managedsp.com
204.227.1.111	A	vms.managedsp.com
204.227.1.118	A	awiprogram.com
204.227.1.119	A	critigenlabs.com
204.227.1.124	A	polar.managedsp.com
204.227.1.125	PTR	cpsportal.managedsp.com
204.227.1.125	A+PTR	prodplrarmap.managedsp.com
204.227.1.125	PTR	prodplrch2m.managedsp.com
204.227.1.152	A	renaissanceins.com
204.227.1.152	A	www.renaissanceins.com
204.227.1.158	A	utilitiescmms.net
204.227.1.158	A	utilitiescmms.com