Robtex

Up: 72.16.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.16.224.0/21
Down right: 72.16.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.16.224.2	PTR	mail.multiforms.com
72.16.224.2	A+PTR	72-16-224-2.customerip.birch.net
72.16.224.74	A	cw2dfw3.dfw.camwest2.com
72.16.224.74	A	dfw.camwest2.com
72.16.224.74	A	camwest2.com
72.16.224.98	PTR	mail.comware.com
72.16.224.98	A+PTR	72-16-224-98.customerip.birch.net
72.16.224.114	A	mail.luckyconstruction.com
72.16.224.186	A	mail.forevergiftsinc.com
72.16.224.190	A	remote.hddistributors.com
72.16.224.200	A+PTR	mail.jmhprinting.com
72.16.224.222	A+PTR	owa.rslc.net
72.16.224.222	PTR	72-16-224-222.customerip.birch.net
72.16.224.250	A	mail.tssmoves.com
72.16.225.19	A	cesglobalonline.com
72.16.225.22	A+PTR	72-16-225-22.customerip.birch.net
72.16.225.22	A	cesglobalonline.com
72.16.225.59	A	dominosinsurance.com
72.16.225.110	A+PTR	mail.fabsg.com
72.16.225.110	A	remote.fabsg.com
72.16.225.110	A	*.fabsg.com
72.16.225.122	PTR	kmcg-dallas.com
72.16.225.122	A	mail.kmcg-dallas.com
72.16.225.122	A	*.kmcg-dallas.com
72.16.225.134	A+PTR	mail.bmarchitects.com
72.16.225.162	PTR	mail.hbigencon.com
72.16.225.162	A+PTR	72-16-225-162.customerip.birch.net
72.16.225.178	PTR	cbeyond.net
72.16.225.178	A+PTR	72-16-225-178.customerip.birch.net
72.16.225.221	A	webmail.cottonpatch.com
72.16.226.4	PTR	ms1.mcroiltools.com
72.16.226.4	A+PTR	72-16-226-4.customerip.birch.net
72.16.226.4	A	mail.pyrotronics.net
72.16.226.30	A	3-127-195-216.tei-usa.com
72.16.226.30	A	4-127-195-216.tei-usa.com
72.16.226.30	A	ns2.tei-usa.com
72.16.226.37	PTR	mail.acis.net
72.16.226.37	PTR	stealth.acis.net
72.16.226.37	A+PTR	72-16-226-37.customerip.birch.net
72.16.226.38	PTR	stealth.acis.net
72.16.226.38	A+PTR	72-16-226-38.customerip.birch.net
72.16.226.94	A+PTR	thitx.com
72.16.226.99	A	*.elead.us
72.16.226.107	PTR	remote.libfungrp.com
72.16.226.107	A+PTR	72-16-226-107.customerip.birch.net
72.16.226.122	PTR	mail.canavanmd.com
72.16.226.122	A+PTR	72-16-226-122.customerip.birch.net
72.16.226.123	A	remote.santmd.com
72.16.226.124	PTR	mail.canavanmd.com
72.16.226.124	A+PTR	72-16-226-124.customerip.birch.net
72.16.226.126	A	mail.santmd.com
72.16.226.146	A+PTR	mail.burlesons-honey.com
72.16.226.194	A+PTR	mail.mainstreetinc.net
72.16.226.194	A	mail.solutechinc.net
72.16.226.194	A	mail.artexinc.net
72.16.226.195	PTR	mainstreetinc.net
72.16.226.195	A+PTR	72-16-226-195.customerip.birch.net
72.16.226.214	A+PTR	72-16-226-214.customerip.birch.net
72.16.227.66	A+PTR	mail.downsstanford.com
72.16.227.66	A	austin.downsstanford.com
72.16.227.67	A+PTR	72-16-227-67.customerip.birch.net
72.16.227.67	A	smtp.downsstanford.com
72.16.227.82	A+PTR	72-16-227-82.customerip.birch.net
72.16.227.82	PTR	webmail2.starplexcinemas.com
72.16.227.82	A	mail.starplexcinemas.com
72.16.227.138	PTR	mail.jimstravel.com
72.16.227.138	A+PTR	72-16-227-138.customerip.birch.net
72.16.227.163	A	mail.hayes-trucks.com
72.16.227.170	A	mail.jphpe.com
72.16.227.194	A+PTR	mail.bobtomesford.com
72.16.227.218	A	email.ghjhlaw.com
72.16.227.220	A	mail.ghjhlaw.com
72.16.227.222	A	mail.ghjhlaw.com
72.16.227.246	PTR	vpn.stripingplus.com
72.16.227.246	A+PTR	72-16-227-246.customerip.birch.net
72.16.228.10	PTR	shawlawoffice.com
72.16.228.10	PTR	mail.shawlawoffice.com
72.16.228.10	PTR	www.shawlawoffice.com
72.16.228.46	A	dallasmechanicalgroup.mobi
72.16.228.50	A	mail.debtdrs.com
72.16.228.50	A	mail.seriousinjurylaw.com
72.16.228.50	A	tedmachi.com
72.16.228.69	A+PTR	72-16-228-69.customerip.birch.net
72.16.228.76	A+PTR	72-16-228-76.customerip.birch.net
72.16.228.76	A	mx2.bmccapital.com
72.16.228.98	PTR	fbmtrading.com
72.16.228.98	PTR	mail.fbmtrading.com
72.16.228.98	PTR	pop3.fbmtrading.com
72.16.228.138	PTR	mail.eltamd.com
72.16.228.138	PTR	ftp.elta.net
72.16.228.138	PTR	mail.elta.net
72.16.228.146	A+PTR	mail.prioritypkg.com
72.16.228.186	PTR	andrecpa.com
72.16.228.186	PTR	andrecpa.local
72.16.228.186	PTR	mail.allaboardbenefits.com
72.16.228.242	PTR	southwestfunding.com
72.16.228.242	PTR	mail.southwestfunding.com
72.16.228.242	A	texasresidential.com
72.16.228.243	A	southwest-funding.us
72.16.228.243	A	southwest-funding.biz
72.16.228.243	A	southwest-funding.com
72.16.229.53	A	mx.goodierit.com
72.16.229.86	A+PTR	mail.cornerstoneroofing.biz
72.16.229.86	A	cornerstoneroofing.biz
72.16.229.91	A+PTR	72-16-229-91.customerip.birch.net
72.16.229.171	PTR	mail.vgiserver.com
72.16.229.171	A	dttw.dallastransfer.com
72.16.229.171	A	dallastransfer.com
72.16.229.178	A	mail.emilysummers.com
72.16.229.178	A	mail2.emilysummers.com
72.16.229.194	PTR	mail.nthcl.org
72.16.229.194	A+PTR	72-16-229-194.customerip.birch.net
72.16.229.225	PTR	mail.fource.net
72.16.229.225	A+PTR	72-16-229-225.customerip.birch.net
72.16.229.226	PTR	mail.knowlespublishing.com
72.16.229.226	PTR	mail.fource.net
72.16.229.226	A+PTR	72-16-229-226.customerip.birch.net
72.16.230.18	PTR	theclarkfamily.net
72.16.230.18	PTR	mail.theclarkfamily.net
72.16.230.18	A+PTR	72-16-230-18.customerip.birch.net
72.16.230.34	PTR	quixoticdigital.com
72.16.230.34	A+PTR	72-16-230-34.customerip.birch.net
72.16.230.58	A+PTR	72-16-230-58.customerip.birch.net
72.16.230.58	A	mail.atmacnet.com
72.16.230.62	PTR	ms1.brianloncar.com
72.16.230.62	A+PTR	72-16-230-62.customerip.birch.net
72.16.230.73	PTR	wellsgroup.us
72.16.230.73	A+PTR	72-16-230-73.customerip.birch.net
72.16.230.122	PTR	aeiconsultants.com
72.16.230.122	PTR	72-16-230-122.customerip.birch.net
72.16.230.142	PTR	mail.drhageman.com
72.16.230.142	A+PTR	72-16-230-142.customerip.birch.net
72.16.230.146	PTR	mx5.dns-tx.com
72.16.230.166	A+PTR	mail.leightner.com
72.16.230.180	A+PTR	mail.watersconsulting.com
72.16.230.202	PTR	epmg.net
72.16.230.202	PTR	mail.epmg.net
72.16.230.202	PTR	www.epmg.net
72.16.230.250	A	netheryeye.com
72.16.230.251	A+PTR	mail.ciltd.com
72.16.231.13	PTR	mail.wbhind.com
72.16.231.13	A+PTR	72-16-231-13.customerip.birch.net
72.16.231.35	A	l10-dev.com
72.16.231.35	A	mail.l10-dev.com
72.16.231.37	A+PTR	mail.getlevelten.com
72.16.231.37	A	mail.leveltendesign.com
72.16.231.114	A+PTR	mail.dallasbar.org
72.16.231.114	A	mail.dbalawjam.org
72.16.231.116	A	dbamentor.org
72.16.231.117	A	equaljusticedallas.org
72.16.231.118	PTR	72-16-231-118.customerip.birch.net
72.16.231.162	PTR	fredlake.com
72.16.231.162	A+PTR	72-16-231-162.customerip.birch.net
72.16.231.163	PTR	redstonedatacenter.com
72.16.231.163	PTR	mail.redstonedatacenter.com
72.16.231.163	A+PTR	72-16-231-163.customerip.birch.net
72.16.231.194	A+PTR	mail2.macdonaldrealtygroup.com
72.16.231.226	PTR	mail.summittransportation.com
72.16.231.226	A+PTR	72-16-231-226.customerip.birch.net
72.16.231.242	A+PTR	mail.bonanzaoil.com
72.16.231.242	A+PTR	mail.bonanzaoilcompany.com
72.16.231.242	A	bonanzaoilcompany.com
72.16.232.20	A+PTR	72-16-232-20.customerip.birch.net
72.16.232.20	A	mail.americas401k.net
72.16.232.21	A	mailhost.americas401k.net
72.16.232.21	A	mailhost.crimerewards.com
72.16.232.22	PTR	compas.com
72.16.232.22	PTR	web.compas.com
72.16.232.22	PTR	www.compas.com
72.16.232.70	PTR	72-16-232-70.customerip.birch.net
72.16.232.100	PTR	aptechnology.com
72.16.232.100	A+PTR	72-16-232-100.customerip.birch.net
72.16.232.146	A+PTR	72-16-232-146.customerip.birch.net
72.16.232.146	A	herzogdevelopment.com
72.16.232.213	A+PTR	72-16-232-213.customerip.birch.net
72.16.232.213	A	dcrhawaii.com
72.16.232.234	A	mail.gaiconsulting.com
72.16.232.250	PTR	mail.cbjeep.com
72.16.232.250	A+PTR	72-16-232-250.customerip.birch.net
72.16.232.250	A	mail.collinsbrosjeep.com
72.16.232.251	A	*.sportslineup.com
72.16.232.251	A	mail.sportslineup.com
72.16.233.2	PTR	mail.fote.com
72.16.233.2	A+PTR	72-16-233-2.customerip.birch.net
72.16.233.30	A	mail.fote.com
72.16.233.34	A+PTR	mail.airmac.com
72.16.233.34	A	mail2.jhflegal.com
72.16.233.34	A	mail.unimaclp.com
72.16.233.91	PTR	webmail.cplalaw.com
72.16.233.91	A+PTR	72-16-233-91.customerip.birch.net
72.16.233.102	A+PTR	mailhost.ecapteach.com
72.16.233.151	A	rdmerrillproperties.com
72.16.233.186	PTR	cpyarch.com
72.16.233.226	A	mail.mckinney-agency.com
72.16.233.238	A	mail.jenkinswatkins.com
72.16.233.249	PTR	mail.hlftitle.com
72.16.234.4	A+PTR	72-16-234-4.customerip.birch.net
72.16.234.4	A	www.centralcourier.net
72.16.234.4	A	centralcourier.net
72.16.234.22	PTR	mail.cmtdal.com
72.16.234.22	PTR	mail.cmtworld.com
72.16.234.22	A+PTR	72-16-234-22.customerip.birch.net
72.16.234.67	PTR	mail.aggengr.com
72.16.234.67	A+PTR	mail1.fhautism.com
72.16.234.67	A	mail.fhautism.com
72.16.234.189	PTR	mail-fwd.mx.g14.rapidsite.net
72.16.234.189	A+PTR	72-16-234-189.customerip.birch.net
72.16.234.190	A	remax-associates-dallas-tx.com
72.16.234.211	A	jeffreycash.com
72.16.234.243	A	mail.nawscorp.com
72.16.235.17	A+PTR	72-16-235-17.customerip.birch.net
72.16.235.74	A	mail.bradleyfloorcovering.com
72.16.235.114	A	mail.taxsmart.com
72.16.235.118	A	mail.legacycap.net
72.16.235.118	A	*.legacycap.net
72.16.235.118	A	legacycap.net
72.16.235.213	A	a-72-16-235-213.wdr.name
72.16.235.246	A	mesaautoglass.net
72.16.235.246	A	virginiabeachautoglass.net
72.16.235.246	A	indianapolisautoglass.net
72.16.236.19	PTR	autodiscover.daa-civil.com
72.16.236.19	A+PTR	mail.daa-civil.com
72.16.236.20	A+PTR	legacy.daa-civil.com
72.16.236.20	PTR	mail.daa-civil.com
72.16.236.20	A+PTR	72-16-236-20.customerip.birch.net
72.16.236.85	PTR	mail.slincins.com
72.16.236.85	PTR	mail.southlandlloyds.com
72.16.236.85	PTR	mail.southlandlloydsinc.com
72.16.236.106	A	mail2.jamespllc.com
72.16.236.106	A	jamespllc.com
72.16.236.178	PTR	mail.linqtransport.com
72.16.236.179	A	www.riskvision.com
72.16.236.179	A	riskvision.com
72.16.236.201	A+PTR	mail.toase.com
72.16.236.201	A+PTR	webmail.toase.com
72.16.236.203	PTR	mail.cedfw.com
72.16.236.203	A	selectbenefitresources.com
72.16.236.205	PTR	anchorfinsh.com
72.16.236.205	PTR	cedfw.com
72.16.236.205	PTR	lawn-solutions.com
72.16.237.45	A+PTR	outlook.baftechnologies.com
72.16.237.45	A+PTR	72-16-237-45.customerip.birch.net
72.16.237.68	A+PTR	72-16-237-68.customerip.birch.net
72.16.237.68	A+PTR	mail.gascliptech.com
72.16.237.82	A	mail2.behavioralhp.com
72.16.237.82	A	mail2.injuryone.net
72.16.237.82	A	mail2.meddrivegroup.com
72.16.237.126	A	remote.ponyprinting.com
72.16.237.226	A+PTR	mail.belfiorespa.com
72.16.238.19	PTR	polytronix.com
72.16.238.19	A+PTR	72-16-238-19.customerip.birch.net
72.16.238.22	PTR	mail.polytronix.com
72.16.238.22	PTR	72-16-238-22.customerip.birch.net
72.16.238.22	A	mail2.polytronix.com
72.16.238.34	A	mail.showbizcinemas.com
72.16.238.46	A	movietavern.net
72.16.238.69	PTR	mail.lewisstafford.com
72.16.238.70	A	smtp.lewisstafford.com
72.16.238.70	A	mail.lewisstafford.com
72.16.238.82	A+PTR	mail.civadallas.com
72.16.238.122	A	mail.a-ero-tec.com
72.16.238.138	A+PTR	remote.rhinomedical.com
72.16.238.138	A+PTR	72-16-238-138.customerip.birch.net
72.16.238.177	A	mail.jdoncarterlaw.com
72.16.238.178	A	sbs.arcadiae-p.com
72.16.238.178	A	mail.triumphpetroleum.com
72.16.238.237	A+PTR	72-16-238-237.customerip.birch.net
72.16.238.237	A	mail.snuffers.com
72.16.238.237	A	mail.elfenix.com
72.16.238.238	PTR	mail.elfenix.com
72.16.238.238	PTR	72-16-238-238.customerip.birch.net
72.16.239.236	A+PTR	um0dal-vimap.dal0.cbeyond.net
72.16.239.236	A	vm.cbeyond.com
72.16.239.236	A	vm.dal.cbeyond.com
72.16.239.237	A	um0dal-vpop.dal0.cbeyond.net
72.16.239.248	A	ms15dal-sig2.dal0.cbeyond.net