Robtex

Up: 205.142.52.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 205.142.52.0/24
Down right: 205.142.53.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.142.52.7	A	onlearn.com
205.142.52.41	A	breakthr.com
205.142.52.41	A	sraelabs.com
205.142.52.41	A	www.breakthr.com
205.142.52.47	A	srasurveys.com
205.142.52.54	A+PTR	ratingsblog-ew.infrastructureviews.com
205.142.52.54	A	www.jriceet.com
205.142.52.54	A	jriceet.com
205.142.52.55	A	mhmodelschool.com
205.142.52.84	A+PTR	imsftp02.mcgraw-hill.com
205.142.52.85	PTR	acuity.ctb.com
205.142.52.85	A	*.writingroadmap.com
205.142.52.133	PTR	blogs.businessweek.com
205.142.52.141	A	mhteched.com
205.142.52.147	A+PTR	hts-stage.mcgraw-hill.cl
205.142.52.194	A	www.techconnect.glencoe.com
205.142.52.194	A	techconnect.glencoe.com
205.142.52.207	A	mmhmobilemarketer.com
205.142.52.220	A+PTR	genx3.mcgraw-hill.com
205.142.52.222	A	www.pageout.net
205.142.52.222	A	*.pageout.net
205.142.52.222	A	pageout.net
205.142.52.232	A+PTR	www5.ctb.com
205.142.52.233	A+PTR	www6.ctb.com
205.142.52.242	A	mcgrawhill.cn
205.142.53.43	A	mhpresidentsclub.com
205.142.53.51	A	mail03-1.spglobal.com
205.142.53.54	PTR	mail03-4.mcgraw-hill.com
205.142.53.54	A	mail03-4.spglobal.com
205.142.53.65	A	mail04-1.spglobal.com
205.142.53.65	A	mail04-1.mcgraw-hill.com
205.142.53.68	A+PTR	mail04-4.mcgraw-hill.com
205.142.53.81	A	mag.fwdodge.com
205.142.53.135	A	order.eppg.com
205.142.53.135	A	order.mcgraw-hill.com
205.142.53.136	A	webdb.eppg.com
205.142.53.141	A	bridgetest.mhhe.com
205.142.53.163	A	mhelabday.com
205.142.53.170	A	www.mhtexas.com
205.142.53.204	A	mhheshopqa.com
205.142.53.209	A	reports.standardandpoors.com