Robtex

Up: 67.52.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 67.52.8.0/22
Down right: 67.52.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.52.8.2	A+PTR	rrcs-67-52-8-2.west.biz.rr.com
67.52.8.56	PTR	rrcs-67-52-8-56.west.biz.rr.com
67.52.8.185	PTR	rrcs-67-52-8-185.west.biz.rr.com
67.52.9.2	A+PTR	rrcs-67-52-9-2.west.biz.rr.com
67.52.9.90	PTR	rrcs-67-52-9-90.west.biz.rr.com
67.52.9.232	A+PTR	rrcs-67-52-9-232.west.biz.rr.com
67.52.10.70	A	rrcs-67-52-10-70.west.biz.rr.com
67.52.10.70	A	mail.treiberandstraub.com
67.52.10.202	PTR	rrcs-67-52-10-202.west.biz.rr.com
67.52.10.202	A	mail.karplawfirm.com
67.52.10.220	A	smtp.oakcreekwi.org
67.52.10.220	A	rrcs-67-52-10-220.west.biz.rr.com
67.52.10.221	A	www.oakcreekwi.org
67.52.10.221	A	oakcreekwi.org
67.52.10.226	A+PTR	se1.stoffelequip.com
67.52.11.1	PTR	rrcs-67-52-11-1.west.biz.rr.com
67.52.11.6	A	mail.primumagency.com
67.52.11.6	A	mail.primumpr.com
67.52.11.22	A	rrcs-67-52-11-22.west.biz.rr.com
67.52.11.22	A	mail.heiderbott.com
67.52.11.78	A	rrcs-67-52-11-78.west.biz.rr.com
67.52.11.107	PTR	rrcs-67-52-11-107.west.biz.rr.com
67.52.11.107	A	owa.crawfordevaluationgroup.com
67.52.11.120	PTR	gklaw.com
67.52.11.162	A+PTR	mail.cchdwi.org
67.52.11.162	A	mail.hearwi.org
67.52.11.178	A+PTR	rrcs-67-52-11-178.west.biz.rr.com
67.52.11.202	A+PTR	rrcs-67-52-11-202.west.biz.rr.com
67.52.12.2	A+PTR	rrcs-67-52-12-2.west.biz.rr.com
67.52.12.3	PTR	hades.fotosearch.com
67.52.12.3	A	mail.fotosearch.ch
67.52.12.3	A	mail.fotosearch.it
67.52.12.118	A	labapollo.com
67.52.12.118	A	lifephoto.com
67.52.12.142	A	icrcsvr01.innercityrede.org
67.52.12.162	PTR	rrcs-67-52-12-162.west.biz.rr.com
67.52.12.162	A	mail.hrlaw.bz
67.52.13.4	A	wvinc.us.com
67.52.13.5	A	sbs.wisconsinvision.com
67.52.13.54	A	ozems.org
67.52.13.85	A	rrcs-67-52-13-85.west.biz.rr.com
67.52.13.106	PTR	mail.ctiwi.com
67.52.13.106	PTR	mail.edenhoferlaw.com
67.52.13.106	A+PTR	mail2.kelcourt.com
67.52.13.107	PTR	rrcs-67-52-13-107.west.biz.rr.com
67.52.13.114	PTR	mail.mgdesign.com
67.52.13.115	PTR	mail.mgdesign.com
67.52.13.120	PTR	gklaw.com
67.52.13.255	A	rrcs-67-52-13-255.west.biz.rr.com
67.52.14.12	A	webmail.gfpd.org
67.52.14.12	A	rrcs-67-52-14-12.west.biz.rr.com
67.52.14.14	A	gfpd.org
67.52.14.14	A	gfpd03.gfpd.org
67.52.14.18	A+PTR	rrcs-67-52-14-18.west.biz.rr.com
67.52.14.18	A	mail.wlcfs.org
67.52.14.26	PTR	netolsassetmgmt.com
67.52.14.26	PTR	mail.netolsmgt.com
67.52.14.26	PTR	vpn.netolsmgt.com
67.52.14.38	A	rrcs-67-52-14-38.west.biz.rr.com
67.52.14.52	A	mail.joswill.ca
67.52.14.52	A	anaterraescorts.com
67.52.14.52	A	coachmanscove.com
67.52.14.54	A	coachmanscove.com
67.52.14.98	PTR	mail.ctkbc.org
67.52.14.163	A+PTR	mail.soerens.com
67.52.14.170	A+PTR	rrcs-67-52-14-170.west.biz.rr.com
67.52.14.170	A	mail.ultradustcollectors.com
67.52.14.170	A	mail.ultraind.com
67.52.14.234	A+PTR	rrcs-67-52-14-234.west.biz.rr.com
67.52.14.234	A	mail.centuryfence.com
67.52.15.66	PTR	lorum1.com
67.52.15.66	A	mail.lorum1.com
67.52.15.67	PTR	miridiansolutions.com
67.52.15.67	A	heatingserviceanswers.com
67.52.15.67	A	milwaukeeheatingservice.com
67.52.15.70	A	answerman.co
67.52.15.94	A	rrcs-67-52-15-94.west.biz.rr.com
67.52.15.94	A	machiningconcepts.com
67.52.15.94	A	*.machiningconcepts.com
67.52.15.110	A	tribute2life.net
67.52.15.110	A	www.tribute2life.net
67.52.15.144	A+PTR	rrcs-67-52-15-144.west.biz.rr.com
67.52.15.150	A	www.bucyrusstore.com
67.52.15.158	A	drtus01.bucyrusdns.com
67.52.15.158	A	rrcs-67-52-15-158.west.biz.rr.com
67.52.15.170	PTR	rrcs-67-52-15-170.west.biz.rr.com
67.52.15.186	PTR	rrcs-67-52-15-186.west.biz.rr.com
67.52.15.186	A	littledippers.com
67.52.15.186	A	krvconsulting.com
67.52.15.187	PTR	rrcs-67-52-15-187.west.biz.rr.com
67.52.15.194	A+PTR	mail.almoninc.com
67.52.15.194	A	ns1.almoninc.com
67.52.15.194	A	employee-info.almoninc.com
67.52.15.195	A+PTR	mail.almoninc.com
67.52.15.235	PTR	rrcs-67-52-15-235.west.biz.rr.com
67.52.15.235	A	mail.destinyhigh.com
67.52.15.235	A	dhs-ex2010.destinyhigh.com