Robtex

Up: 66.9.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 66.9.128.0/18
Down right: 66.9.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.9.128.4	PTR	ns1.charlex.com
66.9.128.9	A	mail1.charlex.com
66.9.128.10	A+PTR	mail.charlex.com
66.9.128.101	A	chrlx.tv
66.9.128.102	A	321launch.tv
66.9.129.68	A	ns2.goamerica.net
66.9.129.135	A	themallatmillcreek.com
66.9.129.135	A	chelseagrandhotel.com
66.9.129.135	A	grandgear.com
66.9.129.140	PTR	mx2.hartzmountain.com
66.9.130.180	A	mail.goldmanproperties.com
66.9.131.163	PTR	office.newcriterion.com
66.9.132.0	A	ip-66-9-132-0.autorev.intellispace.net
66.9.132.5	A	ip-66-9-132-5.autorev.intellispace.net
66.9.132.7	A	ip-66-9-132-7.autorev.intellispace.net
66.9.132.12	A	ip-66-9-132-12.autorev.intellispace.net
66.9.132.128	A	ip-66-9-132-128.autorev.intellispace.net
66.9.132.137	A	ip-66-9-132-137.autorev.intellispace.net
66.9.132.143	A	ip-66-9-132-143.autorev.intellispace.net
66.9.132.144	A	ip-66-9-132-144.autorev.intellispace.net
66.9.133.110	A	mail.razorpointsecurity.com
66.9.133.110	A	mail.razorpoint.com
66.9.133.110	A	mail2.rivesca.com
66.9.133.162	A	cjandco.com
66.9.133.231	A	ecosysmgt.com
66.9.133.231	A	ecosysmgt.net
66.9.133.231	A	ecosysmgmt.net
66.9.134.2	PTR	mail.suitemail.net
66.9.135.84	A	mail.probiant.com
66.9.136.44	A	a-66-9-136-44.sarahcosby.com
66.9.137.12	PTR	mail.brra.com
66.9.137.12	PTR	mail.brunoandridgway.com
66.9.137.12	PTR	mail.internetopinions.com
66.9.139.8	A	web315.fegs.org
66.9.139.9	A	smtp.fegs.org
66.9.139.11	PTR	smtp.hr-dynamics.com
66.9.139.11	A	exchange.fegsbegin.org
66.9.139.231	A+PTR	mail.nysd.org
66.9.140.2	PTR	mail2.ritchiecapital.com
66.9.141.106	A	ip-66-9-141-106.autorev.intellispace.net
66.9.141.177	A	whisperingwinds.net
66.9.141.178	A	adoptedpark.com
66.9.141.178	A	sendbooksnow.com
66.9.141.178	A	singingthepsalms.net
66.9.142.40	A	mail.americatogo.com
66.9.142.66	PTR	mail.gvs.bz
66.9.142.66	PTR	zixvpm.gvs.bz
66.9.142.66	A	mail.churchillsolutions.net
66.9.143.178	A	remote.1407bway.com
66.9.144.82	PTR	rpg.rpgny.com
66.9.144.176	PTR	mail.gtsystems.com
66.9.144.176	A	ns3-de.klopotek.com
66.9.144.176	A	ns3.klopotek.de
66.9.145.18	A+PTR	mail.swallp.com
66.9.145.18	A	mail.shapirolobel.com
66.9.145.35	PTR	raq.joonbug.com
66.9.145.229	A	asianmarketinfo.com
66.9.145.229	A	asianmediaguide.com
66.9.146.19	A	gsetracking.com
66.9.146.42	A	ip-66-9-146-42.autorev.intellispace.net
66.9.146.55	A	ip-66-9-146-55.autorev.intellispace.net
66.9.146.109	A	ip-66-9-146-109.autorev.intellispace.net
66.9.146.128	A+PTR	ip-66-9-146-128.autorev.intellispace.net
66.9.146.147	A	ip-66-9-146-147.autorev.intellispace.net
66.9.146.217	A	ip-66-9-146-217.autorev.intellispace.net
66.9.146.237	A	ip-66-9-146-237.autorev.intellispace.net
66.9.148.12	A	mail.mareacapital.com
66.9.150.10	PTR	ny.cfr.org
66.9.150.102	PTR	smtp2.cfr.org
66.9.151.29	A	ganyny-bm-w2w.giorgioarmani.com
66.9.151.61	A+PTR	ganyny-ln-w2w.giorgioarmani.com
66.9.151.67	A	exchange.lmcohencpa.com
66.9.151.133	PTR	ip133.xworld.com
66.9.152.35	A	webmail.linuxstyle.com
66.9.153.197	A	pep-w2v.jflco.com
66.9.153.200	PTR	jflco-01.jflpartners.com
66.9.153.200	A	barbaralehman.com
66.9.153.200	A	mail.barbaralehman.com
66.9.154.153	PTR	illvasaronno.com
66.9.154.242	A	mail.jomashop.com
66.9.154.242	A	mail.jomamail.com
66.9.154.242	A	mail.watchsaving.com
66.9.155.50	A	office.littlegifts.com
66.9.156.143	PTR	www.hudsoncrop.biz
66.9.156.143	A	www.lb.hudsoncrop.biz
66.9.156.157	PTR	ftp.hudsonportal.com
66.9.156.175	A	hudsoninsurance.biz
66.9.156.176	A	hudsoninsurance.us
66.9.156.184	A	adnsstm.lb.hudsoncrop.biz
66.9.157.151	A+PTR	yorktown.induscap.com
66.9.157.156	A	mail.induscap.com
66.9.157.194	PTR	mail.probonopartner.org
66.9.158.7	PTR	dcnotes.cfr.org
66.9.158.10	PTR	dc.cfr.org
66.9.159.194	PTR	exchange2007.benfieldelectric.com
66.9.160.162	A	mail.robinsimonllp.com
66.9.161.203	PTR	smtp.lon.gandharacapital.com
66.9.162.149	A	www.anime-mangas.com
66.9.162.149	A	dc-9219d8b5.anime-mangas.com
66.9.162.149	A	*.anime-mangas.com
66.9.166.243	A+PTR	mail.agsny.com
66.9.166.243	A	agsexchange.agsny.com
66.9.167.72	PTR	hkmptech.com
66.9.167.211	A+PTR	m1.dssimon.com
66.9.168.82	PTR	westonpresidio.com
66.9.171.177	A	igidev.com
66.9.171.177	A	ottosimportedcars.com
66.9.172.41	PTR	mailhost.uslynx.com
66.9.172.42	PTR	mail.xplor.org
66.9.172.42	A	mail.xplor.com
66.9.172.57	PTR	ns2.pubdata.com
66.9.173.2	A	smtp.sdigiacomo.com
66.9.173.5	A+PTR	mail.sdigiacomo.com
66.9.173.227	PTR	mail.technosourceusa.com
66.9.174.4	A+PTR	ns2.charlex.com
66.9.174.9	A	mail.hjsweets.com
66.9.174.9	A	mail.chrlx.com
66.9.174.25	A+PTR	mail10.charlex.com
66.9.175.41	PTR	eagle1.titian.com
66.9.175.43	PTR	robo.titian.com
66.9.175.150	PTR	aries.razorandtie.com
66.9.175.150	PTR	mail.razorandtie.com
66.9.176.30	PTR	smtp1.ccchicago.org
66.9.176.146	PTR	mail.kfeej.com
66.9.176.190	PTR	mail.protectivetitle.com
66.9.179.66	PTR	theinfo.org
66.9.179.67	PTR	vorpal.notabug.com
66.9.179.67	A	startupwiki.com
66.9.179.68	PTR	theinfo.org
66.9.179.195	A	revcs.net
66.9.180.11	PTR	loopcap.com
66.9.180.243	A	mrs.imaginethat.com
66.9.180.244	A+PTR	now.imaginethat.com
66.9.181.2	PTR	mail.heartlandalliance.org
66.9.182.1	PTR	resolv1.il.central.us.intellispace.net
66.9.182.1	A	w2wil-dns4.wave2wave.com
66.9.185.34	PTR	cmcinteractive.com
66.9.185.114	A	smtp.roicg.com
66.9.187.195	A	gotohotelrooms.com
66.9.187.199	A	myhotelrooms.com
66.9.189.226	PTR	mail.btsmail.net
66.9.191.229	A	christmasshoponline.org
66.9.195.61	A	tdlpathologypartnerships.com
66.9.195.241	A	businesstransferagents.co.uk
66.9.195.243	A	www.businessfinder.com
66.9.195.243	A	adeye.com
66.9.195.243	A	businessfinder.com
66.9.197.117	PTR	maps-dev.kmc.co.uk
66.9.198.3	PTR	worcesteracademy.org
66.9.200.228	A	jnet-llc.net
66.9.200.228	A	www.teletechnology.com
66.9.200.228	A	servicom-llc.net
66.9.201.12	A	machrotech.net
66.9.201.139	PTR	nastdms1.dribeck.com
66.9.201.154	A	mail.torqmaster.asia
66.9.203.35	PTR	mail.smartts.com
66.9.204.14	A	stex.siwel.com
66.9.204.24	A	ftp.siwel.com
66.9.204.26	A	eladev4.siwel.com
66.9.204.27	A	citistage.siwel.com
66.9.204.106	A	ftp.siwel.com
66.9.206.211	A+PTR	outbound.muzinich.com
66.9.206.212	A+PTR	nycmail.muzinich.com
66.9.206.215	A	nycwebmail.muzinich.com
66.9.206.219	A	smtp.muzinich.com
66.9.217.154	A	discovertile.net
66.9.217.154	A	ip-66-9-217-154.autorev.intellispace.net
66.9.219.163	PTR	mail.madicorp.com
66.9.219.181	A+PTR	mail.wastesys.com
66.9.219.181	A	batman.wastesys.com
66.9.220.252	A	flaxorl.com
66.9.220.252	A	flaxatlanta.com
66.9.221.6	PTR	email.cajef.org
66.9.221.6	A	endfound.org
66.9.221.34	A	mail.brandlogic.com
66.9.221.34	A	mail.corebrand.com
66.9.221.34	A	blcbgroup.com
66.9.222.94	PTR	owa.perspectivesltd.com
66.9.222.197	PTR	mail.shapiro-lawyers.com
66.9.224.10	PTR	mail.csbcenters.com
66.9.225.10	PTR	webmail.ombermuda.com
66.9.226.196	PTR	exchange.phoenixlogistics.com
66.9.228.161	PTR	mail3.iepstein.com
66.9.230.18	PTR	mail.mgstuart.com
66.9.231.226	A	ip-66-9-231-226.autorev.intellispace.net
66.9.231.229	A	ip-66-9-231-229.autorev.intellispace.net
66.9.231.230	PTR	mail.drco.com
66.9.231.235	A	barracuda.invenioadvisors.com
66.9.235.34	A	ip34-2-kahngordon.myintellispace.com
66.9.235.35	A	ip35-2-kahngordon.myintellispace.com
66.9.235.36	A	ip36-2-kahngordon.myintellispace.com
66.9.235.37	A	ip37-2-kahngordon.myintellispace.com
66.9.235.139	A	kblgroupintl.net
66.9.235.227	A+PTR	mail.mmgus.com
66.9.235.227	A	mail.mmghk.com
66.9.235.241	A	mail2.mmgus.com
66.9.236.226	PTR	mail.bain.com
66.9.237.235	PTR	mail3.complinet.com
66.9.238.10	A+PTR	mail.cicny.com
66.9.238.27	PTR	cic-ipc160.cicny.com
66.9.238.27	A	nyrelay.e-i.net
66.9.238.31	PTR	8200a.cicny.com
66.9.241.146	PTR	smtp1.rnmsystems.co.uk
66.9.241.147	A	smtp2.rnmsystems.co.uk
66.9.241.147	A	smtp1.rnmsystems.co.uk
66.9.241.200	A	pop3.bmsgroup.com
66.9.243.2	PTR	techlogix.com
66.9.243.3	PTR	techlogix.com
66.9.243.4	PTR	techlogix.com
66.9.243.5	PTR	techlogix.com
66.9.243.129	PTR	ip-66-9-243-129.autorev.intellispace.net
66.9.245.66	A	ip-66-9-245-66.autorev.intellispace.net
66.9.245.69	A	ip-66-9-245-69.autorev.intellispace.net
66.9.246.1	PTR	focusvision.com
66.9.246.4	PTR	focusvision.com
66.9.247.68	A	qadellreplay.vidyo.com
66.9.248.20	A	mail.borghesemud.com
66.9.248.20	A	mail.borghesecosmetics.com
66.9.248.20	A	mail.borghese.com
66.9.249.68	A	ipedge.com
66.9.249.106	A	smtp.agricapital.com
66.9.249.108	A	interjet.agricapital.com
66.9.253.3	PTR	ip-66-9-253-3.autorev.intellispace.net