Robtex

Up: 66.210.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.210.64.0/21
Down right: 66.210.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.210.64.4	A	pwstest.com
66.210.64.7	A	pwsqa.com
66.210.65.4	A	oliveonline.org
66.210.65.7	A	mailserver.olivebaptist.net
66.210.66.15	PTR	repartir-equip.esbetter.com
66.210.66.15	A	burymerely.com
66.210.70.10	A	mail.rbrooksdavislaw.com
66.210.70.10	A	mail.callthecomputerguy.com
66.210.70.10	A	mail.centerpintechnology.com
66.210.70.21	A	www.robinnet.com
66.210.70.22	A	intranet.robinnet.com
66.210.70.26	A	jpiichs.ptdiocese.org
66.210.70.26	A	steugene.ptdiocese.org
66.210.70.50	A	cc.ncinoc.com
66.210.70.52	PTR	sip.mjrlawfirm.com
66.210.70.52	PTR	pnsdiocluster1.ptdiocese.org
66.210.70.52	A+PTR	pnsdioqbts.ptdiocese.org
66.210.70.102	A	ncts2.callthecomputerguy.com
66.210.70.211	A	new.ncinoc.com
66.210.70.211	A	referral.gulfmed.com
66.210.70.250	A+PTR	opmanager.callthecomputerguy.com
66.210.70.250	PTR	wsus.ncinoc.com
66.210.71.11	A	web2.eglobalwebhost.com
66.210.71.11	A	mail2.eglobalwebhost.com
66.210.71.24	A	mail.piercefinancial.com
66.210.71.64	A	mytrololo.com
66.210.71.254	A	sun.ncinoc.com
66.210.73.241	PTR	fycmcb.disavor.com
66.210.73.241	A	files.wiki.theavoraproject.org
66.210.73.241	A	makeupguide.blog.wiki.theavoraproject.org
66.210.73.249	PTR	wka.disavor.com
66.210.73.250	PTR	lxwni.disavor.com
66.210.73.251	PTR	vser.disavor.com
66.210.74.10	A	mail.leschwartz.com
66.210.74.10	A	lesinet.leschwartz.com
66.210.74.10	A	mail.schwartzprecision.com
66.210.74.21	A	bluereefgroup.com
66.210.74.21	A	nitrox.bluereefgroup.com
66.210.74.40	A	mx.gpmind.com
66.210.74.40	A	mail.gpmind.com
66.210.74.41	A	wsip-66-210-74-41.mc.at.cox.net
66.210.74.62	A	wsip-66-210-74-62.mc.at.cox.net
66.210.74.114	PTR	wsip-66-210-74-114.mc.at.cox.net
66.210.74.130	PTR	nat.mountdesales.net
66.210.74.132	A	ns1.mountdesales.net
66.210.74.133	A	ns2.mountdesales.net
66.210.74.139	A	mx1.mountdesales.net
66.210.74.144	A+PTR	euclid.mountdesales.net
66.210.74.144	A	sis.mountdesales.net
66.210.74.155	A	tech.mountdesales.net
66.210.74.162	A	exchange.wesleyancollege.edu
66.210.74.163	A	moria.wesleyancollege.edu
66.210.74.163	A	www.moria.wesleyancollege.edu
66.210.74.172	A	wessacs.wesleyancollege.edu
66.210.74.179	A+PTR	inetsrv.warnerrobinsga.gov
66.210.74.180	A	wsip-66-210-74-180.mc.at.cox.net
66.210.74.184	A	ns1.wrga.gov
66.210.74.184	A	cwrdns1.wrga.gov
66.210.74.198	A	dns1.chapter13macon.com
66.210.74.199	A	chw-mail2.chwg.org
66.210.74.208	A+PTR	wsip-66-210-74-208.mc.at.cox.net
66.210.74.213	A	e-bill.flintemc.com
66.210.74.219	A	flintmail.flintemc.com
66.210.74.226	A+PTR	mail.goodwillworks.org
66.210.74.226	A	gwmail.goodwillworks.org
66.210.74.226	A	mail.helms.edu
66.210.74.227	PTR	mail.goodwillworks.org
66.210.74.227	A+PTR	wsip-66-210-74-227.mc.at.cox.net
66.210.75.2	A	wsip-66-210-75-2.ks.ks.cox.net
66.210.75.18	PTR	wsip-66-210-75-18.ks.ks.cox.net
66.210.75.18	A	hhs.usd308.com
66.210.75.30	A	relay.usd308.com
66.210.75.83	A+PTR	wsip-66-210-75-83.ks.ks.cox.net
66.210.75.202	A	wsip-66-210-75-202.ks.ks.cox.net
66.210.75.247	A	wsip-66-210-75-247.ks.ks.cox.net
66.210.76.5	A	winfieldpartners.org
66.210.76.226	A+PTR	mail.usd443.org
66.210.76.227	PTR	usd443.org
66.210.76.227	A	dodgecityschools.org
66.210.76.232	A	dchssports.net
66.210.76.232	A	dchssports.org
66.210.77.1	A+PTR	inbound1.randgraphics.com
66.210.77.2	A+PTR	prepress.randgraphics.com
66.210.77.2	A	proofinalink.com
66.210.77.3	A	mail.randgraphics.com
66.210.78.4	A	alexkft.hu
66.210.78.4	A	designbuildperform.com
66.210.78.4	A	allprolive.com
66.210.78.12	A	designbuildperform.com
66.210.78.17	A	pensacolahuntingforum.com
66.210.78.84	A	pchsfl.org
66.210.78.84	A	pensacolachs.com
66.210.78.107	A	mailscanner.clerkofcourts.cc
66.210.78.108	A	officialrecords.clerkofcourts.cc
66.210.78.108	A	orweb.clerkofcourts.cc
66.210.78.108	A	mail.okaloosaclerk.com
66.210.79.40	A	mail.fwb.org