Robtex

Up: 67.52.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 67.52.48.0/23
Down right: 67.52.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.52.48.18	A+PTR	rrcs-67-52-48-18.west.biz.rr.com
67.52.48.22	A+PTR	rrcs-67-52-48-22.west.biz.rr.com
67.52.48.26	PTR	rrcs-67-52-48-26.west.biz.rr.com
67.52.48.26	A	*.timlivers.com
67.52.48.26	A	mail.timlivers.com
67.52.48.118	A	wicaafs3.wicaa.org
67.52.48.130	A	rrcs-67-52-48-130.west.biz.rr.com
67.52.48.158	A	mail.rjoil.com
67.52.48.158	A	webmail.rjoil.com
67.52.48.197	A	ftp.woodburngraphics.com
67.52.48.214	A+PTR	rrcs-67-52-48-214.west.biz.rr.com
67.52.48.230	A	rrcs-67-52-48-230.west.biz.rr.com
67.52.48.238	A	remote.derlethcomputerservices.com
67.52.49.26	A	exchange.stfulfillment.com
67.52.49.35	PTR	york.edu
67.52.49.35	PTR	www.york.edu
67.52.49.66	A	vpn.decker13trustee.com
67.52.49.122	A	mail.hannigconstruction.com
67.52.49.134	PTR	rrcs-67-52-49-134.west.biz.rr.com
67.52.49.134	A	ldsinc.us
67.52.49.195	A	templetoncoal02.templetoncoal.com
67.52.49.226	PTR	gw.first-online.com
67.52.49.227	A+PTR	securemail1.first-online.com
67.52.49.227	A	mx1.firstfinancialcorp.com
67.52.49.227	A	mx1.thfirst.com
67.52.49.228	A	mx2.first-online.com
67.52.49.229	A	mail.first-online.com
67.52.49.230	A+PTR	securemail2.first-online.com
67.52.49.236	A	gw.first-online.com
67.52.49.250	PTR	theartofslim.com
67.52.49.250	PTR	www.theartofslim.com
67.52.50.58	A	sbsdc.ualocal157.org
67.52.50.134	A+PTR	rrcs-67-52-50-134.west.biz.rr.com
67.52.50.134	A	communicationsolutions.biz
67.52.50.134	A	mail.communicationsolutions.biz
67.52.50.197	PTR	ciproperties.com
67.52.50.197	PTR	hiddenvalleylincoln.com
67.52.50.197	PTR	nationalfurnaceandair.com
67.52.51.22	PTR	rrcs-67-52-51-22.west.biz.rr.com
67.52.51.34	PTR	schlitt.net
67.52.51.35	PTR	dns.schlitt.net
67.52.51.36	PTR	www.openspf.org
67.52.51.37	PTR	footbone.schlitt.net
67.52.51.62	PTR	lincolnmail.insproins.com
67.52.51.114	PTR	rrcs-67-52-51-114.west.biz.rr.com
67.52.51.114	A	viesteenergy.com
67.52.51.118	A	accelsrc.com
67.52.51.206	A	xseries2.serub2.org
67.52.51.226	A	wv-idc.com
67.52.51.226	A	mail.wv-idc.com
67.52.51.234	PTR	admin.smartcustomer.com
67.52.51.234	PTR	devmonger.smartcustomer.com
67.52.51.234	PTR	devnmt.smartcustomer.com