Robtex

Up: 12.2.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 12.3.0.0/17
Down right: 12.3.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.3.0.28	A	menu-marketing.com
12.3.0.34	A	conagrafrozen.com
12.3.0.34	A	conagrafoodsinc.com
12.3.0.96	A	resnickgroup.com
12.3.2.3	A	2019-wow.com
12.3.2.5	A	eu-gm.com
12.3.2.5	A	wow-eu.org
12.3.4.5	A	mail.plug-innews.com
12.3.4.36	A	hawnt4.emdchemicals.com
12.3.6.1	A	obptest.com
12.3.6.9	A	obptest.com
12.3.6.12	A	obptest.com
12.3.6.15	A	obptest.com
12.3.6.121	A	obptest.com
12.3.6.122	A	obptest.com
12.3.7.0	A	0.du.saccapital.com
12.3.7.255	A	255.du.saccapital.com
12.3.10.1	A	aeroplans-promotion.com
12.3.10.131	A	wizbang.tauck.com
12.3.10.138	A	vpn3.mytauck.com
12.3.10.144	A	virus.mytauck.com
12.3.19.5	A	ftp.palisades.com
12.3.19.8	A	palshare.palisades.com
12.3.19.15	A	portal.palisades.com
12.3.19.22	A	findagent.palisades.com
12.3.20.66	A	mail.wwdcfm.com
12.3.23.18	A	mascotsystems.com
12.3.25.25	A	mail.vitaminshoppe.com
12.3.27.238	A	www.dealersolution.com
12.3.27.239	A	email.dealersolution.com
12.3.32.15	A	mic.uhsinc.com
12.3.32.15	A	mic.uhsinfo.com
12.3.32.15	A	smtp.healthlinknow.com
12.3.33.10	A	kopvpn2.cslbehring.com
12.3.33.11	A	mail.cslbehringfoundation.com
12.3.33.11	A	mail1.zlbbehring.com
12.3.33.11	A	mail1.cslbehringassurance.com
12.3.34.82	A	smtp1.centrxhealth.com
12.3.34.82	A	smtp2.nwths.com
12.3.34.82	A	smtp2.frnmail.com
12.3.40.0	A+PTR	0.uhshost.uhsinc.com
12.3.40.2	A	2.uhshost.uhsinc.com
12.3.40.4	A	4.uhshost.uhsinc.com
12.3.40.37	A	smtpdr.uhsinc.com
12.3.43.194	PTR	ziptothere.com
12.3.43.194	A	www.travimp.com
12.3.43.194	A	content.travimp.com
12.3.43.196	A	www.amexvac.com
12.3.43.196	A	amexvac.com
12.3.49.140	A	0053661.lodgenet.net
12.3.51.27	A	dalmatian.brinkmann-eppendorf.com
12.3.51.163	A	mail.oakcliffcapital.com
12.3.51.210	A	chasmlake.com
12.3.51.218	A	westie.brinkmann-eppendorf.com
12.3.56.3	PTR	mail.nrigroup.com
12.3.61.132	A	ppi-ims-ny3751.penguin.com
12.3.61.165	A	mail.qsidefcu.org
12.3.63.213	PTR	mail.ligmsi.com
12.3.63.213	A	www.ligmsi.com
12.3.63.213	A	ligmsi.com
12.3.66.13	A	barginsoutfiters.net
12.3.70.69	A	mathlinks9.com
12.3.70.69	A	mathlinks9.ca
12.3.70.69	A	istudybusinesslaw.ca
12.3.80.70	A	ges-401kreports.ml.com
12.3.80.71	A	ges-epsreports.ml.com
12.3.81.17	A	nsgtm1.alphamldirectwh.ml.com
12.3.81.17	A	nsgtm1.alphamldirectwh.ml.com.ustrustqa.com
12.3.81.17	A	ns1.alphamldirectwh.ml.com
12.3.81.18	A	nsgtm2.alphamldirectwh.ml.com.ustrustqa.com
12.3.82.7	A	boluicdn.benefitsse.ml.com
12.3.82.47	A	olui2m.fspl2glb.ml.com
12.3.82.48	A	olui2.fspl2glb.ml.com
12.3.82.48	A	mymerrillpl2.com
12.3.88.194	A	goldensource-enterprise.com
12.3.100.17	A	router.stonhard.com
12.3.100.19	A	docs.stonhard.com
12.3.100.19	A	tsquaretiles.com
12.3.100.21	A	smtp.stonhard.com
12.3.112.15	A	datacenter.osmose.com
12.3.112.99	A	sibral.eu
12.3.112.99	A	sibral.cz
12.3.112.99	A	keraunion.cz
12.3.113.57	A	mail3.snap-tite.com
12.3.120.13	A	exchmail.whitney-museum.org
12.3.120.98	A	mail.parachuteproperties.com
12.3.121.130	A	mail-130.millgateinc.com
12.3.124.45	A	new-mail-relay.wpstewart.com
12.3.125.7	A	mail.amalcap.com
12.3.125.7	A	mail.amalgamatedinvestments.com
12.3.125.7	A	mail.amalgamatedbank.com
12.3.125.8	A	mail2.amalgamatedinvestments.com
12.3.133.2	A	ns.bmgnet.com
12.3.133.11	A	mail2.bmgnet.com
12.3.133.12	A	mail2.baysidemotion.com
12.3.133.12	A	mail.bmgnet.com
12.3.136.0	A	dajiajkw.com
12.3.136.20	A	americasmarticonhonors.com
12.3.144.1	A	ns2.fulton.com
12.3.144.1	A	marvin.fulton.com
12.3.144.1	A	farragut1987.org
12.3.144.3	A+PTR	the-guide.fulton.com
12.3.145.141	A	mail.menterlaw.com
12.3.145.158	A	mail2.menterlaw.com
12.3.152.42	A	mail.analytics-usa.com
12.3.154.29	A	goodex.org
12.3.155.9	A	uselessip.sigma-rt.com
12.3.155.11	A	droid-test.net
12.3.177.178	A	ordering.com
12.3.177.178	A	www.ordering.com
12.3.177.178	A	mediajustintime.com
12.3.180.3	A	atlascopco.net
12.3.180.245	A	mail.br.atlascopco.com
12.3.180.245	A	mail.cl.atlascopco.com
12.3.180.245	A	mail.us.atlascopco.com
12.3.188.9	A	new.nefcu.com
12.3.188.35	A	test.nefcu.com
12.3.188.43	A	info.nefcu.com
12.3.196.14	A	mdbygtw1.uniroyalchemical.com
12.3.196.46	A	ftp1.uniroyalchemical.com
12.3.196.46	A	www1.uniroyalchemical.com
12.3.196.48	A	chemtura.ru
12.3.204.54	A	email.liunatraining.org
12.3.204.61	A+PTR	mail.laborers-agc.org
12.3.204.61	A	mail.liunatraining.org
12.3.206.26	A	ns02.dynax.com
12.3.212.1	A	ethernet0.pgworks.com
12.3.212.2	PTR	www.pgworks.com
12.3.212.2	A	pgworks.com
12.3.212.2	A	philagas.net
12.3.212.3	PTR	mail.pgworks.com
12.3.212.3	PTR	ifolder.philagas.com
12.3.213.1	A+PTR	ethernet1.pgworks.com
12.3.216.138	A	iqres001852.com
12.3.219.105	A	baracuda.pontotoc.k12.ms.us
12.3.219.105	A	www.pontotoc.k12.ms.us
12.3.220.131	A	smtp.dialogue-marketing.com
12.3.220.132	A	bloodcenterny.org
12.3.220.132	A	redcelladvantage.com
12.3.220.132	A	donatebloodny.org
12.3.221.2	A	dhc-fw.dhcmi.org
12.3.221.70	A+PTR	dhc-ns1.dhcmi.org
12.3.221.70	A+PTR	ns1.dhcmi.org
12.3.221.71	A+PTR	yardi.dhcmi.org
12.3.222.38	A	mail.butcher-packer.com
12.3.222.38	A	mail.butcherpacker.com
12.3.222.89	A	ns1.corporatetitle.com
12.3.222.90	A	ns2.corporatetitle.com
12.3.223.14	A	ftp2.andersonsinc.com
12.3.223.16	A	traveler.andersonsinc.com
12.3.223.18	A	andersonturfproducts.com
12.3.223.18	A	andersonslawnproducts.com
12.3.226.1	A	vpn.unitedwater.com
12.3.226.11	A	cag01.unitedwater.com
12.3.226.18	A	csg.unitedwater.com
12.3.226.21	A	ftp.unitedwater.com
12.3.228.142	A	mail.openexch.com
12.3.229.5	A	mail.fujinon.com
12.3.232.129	A	mailserver.nobel-systems.com
12.3.232.132	A	*.nobel-systems.com
12.3.232.141	A	geovieweronline.com
12.3.232.141	A	geovieweronline.net
12.3.232.142	A	geovieweronline.com
12.3.233.2	A	mail.cleaningtechnology.com
12.3.233.36	A	ttmail.ticketsandtours.com
12.3.233.38	A	bsflv.entertainmentbenefits.com
12.3.233.53	A	txmail.entertainmentbenefits.com
12.3.236.184	A	seashorestyleguide.com
12.3.236.184	A	www.seashorestyleguide.com
12.3.236.197	A	mail.wasplabusers.com
12.3.237.10	A+PTR	mail.us-ac.com
12.3.237.10	A	exchange.us-ac.com
12.3.237.10	A	mail.fldist.com
12.3.237.13	PTR	owa.us-ac.com
12.3.238.150	A+PTR	mail.bindermetal.com
12.3.238.150	A	bindermetal.com
12.3.239.90	A	mail.akconstructors.com
12.3.239.90	A	mail.ak-electrical.com
12.3.239.90	A	mail.ak-electric.com
12.3.239.171	PTR	mail.kpchealth.com
12.3.239.171	A+PTR	ihhi-ironport01.ihhioc.com
12.3.239.171	PTR	mail.ihhioc.com
12.3.241.1	A+PTR	sslvpn.bcnepa.com
12.3.241.1	A+PTR	sslvpn2.bcnepa.com
12.3.241.13	A	netman.bcnepa.com
12.3.241.15	A	webmail.bcnepa.com
12.3.247.201	A	lairdtech.com.sg
12.3.248.228	A	sf.woodsmanagement.com
12.3.250.162	A	ezdo.com
12.3.250.163	A	mail.ezdo.com
12.3.250.198	A	mail.mnarn.org
12.3.250.203	A	www.mymassnurse.com