Robtex

Up: 199.66.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.66.72.0/23
Down right: 199.66.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.66.72.0	PTR	199.66.72.0.ptrtest.atomicdata.com
199.66.72.5	A	www.greatclipsfranchise.com
199.66.72.5	A	greatclipsfranchise.com
199.66.72.6	A+PTR	dev3www.ourfamilywizard.com
199.66.72.7	A+PTR	dev4www.ourfamilywizard.com
199.66.72.10	PTR	ex.atomicdata.com
199.66.72.11	A+PTR	ex.atomicdata.com
199.66.72.13	A	insite.greatclips.com
199.66.72.17	A+PTR	devsearch.ourfamilywizard.com
199.66.72.20	A+PTR	search.ourfamilywizard.com
199.66.72.21	A+PTR	qawww.ourfamilywizard.com
199.66.72.23	A	atomicdata.com
199.66.72.23	A	danburyit.com
199.66.72.43	A	dairyqueen.com
199.66.72.43	A	dq.com
199.66.72.43	A	dq.ca
199.66.72.44	A+PTR	amf2a-out02.atomicdata.com
199.66.72.45	A+PTR	amf2a-out03.atomicdata.com
199.66.72.46	A+PTR	amf2a-out04.atomicdata.com
199.66.72.47	A+PTR	amf2a-out05.atomicdata.com
199.66.72.48	PTR	amf2a-out06.atomicdata.com
199.66.72.48	A	tdsd-com.60.amf2.atomicdata.com
199.66.72.48	A	meridianprograms-com.20.amf2.atomicdata.com
199.66.72.53	A	dts.greatclips.com
199.66.72.56	A	termlifeguide.com
199.66.72.61	A	quotacy.com
199.66.72.61	A	www.quotacy.com
199.66.72.64	PTR	cc.revolutionehr.com
199.66.72.64	A	www.revolutionehr.com
199.66.72.64	A	eyecoderight.com
199.66.72.107	A	www.karmelkorn.com
199.66.72.117	A	suedmo.com
199.66.72.117	A	www.haffmans.nl
199.66.72.117	A	hypro-pentairwater.com
199.66.72.121	A	sumopartner.com
199.66.72.122	A	www.mykrolis.com
199.66.72.123	A	photocake.com
199.66.72.123	A	www.photocake.com
199.66.72.124	A	hennepinsheriff.info
199.66.72.124	A	northpointhealth.org
199.66.72.124	A	www.hclawlib.org
199.66.72.164	A	noticecentral.com
199.66.72.169	A+PTR	tonemeter.ourfamilywizard.com
199.66.72.173	A	altrecoutlet.com
199.66.72.173	A	boarderline.altrec.com
199.66.72.173	A	altrec.com
199.66.72.176	A+PTR	mcx02-s1-in101.atomicdata.com
199.66.72.184	A	mcx02-s2-in101.atomicdata.com
199.66.72.198	A	catalog.hclib.org
199.66.72.198	A	www.hclib.org
199.66.72.198	A	hclib.org
199.66.72.208	A	cc.revolutionehr.com
199.66.72.209	PTR	prodwww.ourfamilywizard.com
199.66.72.209	PTR	www.ourfamilywizard.com
199.66.72.209	A	familywizard.com
199.66.72.221	A	mail.medialoft.com
199.66.72.247	A	www.futuresystemsconsult.com
199.66.72.247	A	futuresystemsconsult.com
199.66.72.249	A+PTR	ns2.powerobjects.com
199.66.72.249	A	ns2.powerobjects.net
199.66.72.254	A	zapeventdev.com
199.66.72.254	A	www.carlandersonlaw.com
199.66.73.19	A	*.fidcouns.com
199.66.73.19	A	207-109-19-11.dia.static.fidcouns.com
199.66.73.19	A	bu-fw.fidcouns.com
199.66.73.20	A	custodyreporting.com
199.66.73.20	A	mail.custodyreporting.com
199.66.73.21	A	mail.fidcouns.com
199.66.73.36	A	support.dairyqueen.net
199.66.73.53	A	rbcu.org
199.66.73.53	A	dorseydiagnostics.com
199.66.73.53	A	www.rbcu.org
199.66.73.57	A	www.fndtn.com
199.66.73.57	A	fndtn.com
199.66.73.57	A	meet-otto.com
199.66.73.65	A	services.revolutionehr.com
199.66.73.66	A	devices.revolutionehr.com
199.66.73.119	A	twilio.alarisgroup.com
199.66.73.155	A	e-synergyonline.com
199.66.73.168	A	myvisionslive.com
199.66.75.7	A	onlineoffice.century21.ca
199.66.75.9	A+PTR	storage.century21.ca
199.66.75.10	A	cts13.century21.ca
199.66.75.10	A	cts1.century21.ca
199.66.75.10	A	cts15.century21.ca
199.66.75.13	A	www.dbuck.cbrwg.com
199.66.75.13	A	dbuck.cbrwg.com
199.66.75.13	A	www.century21scheetz.com
199.66.75.15	A	cbgreatlakes.com
199.66.75.16	A	www.cbgreatlakes.com
199.66.75.16	A	cb-elite.com
199.66.75.16	A	cbgreatlakes.com
199.66.75.20	A	wtldomain.com
199.66.75.22	A	ftp.cbgreatlakes.com
199.66.75.29	A+PTR	mx.wheretolive.com
199.66.75.29	A	mx1.wheretolive.com
199.66.75.29	A	mx2.wheretolive.com
199.66.75.33	A	images.century21.ca
199.66.75.34	A	images.bhhsnj.com
199.66.75.34	A	images.cbgreatlakes.com
199.66.75.34	A	images.c21affiliated.com
199.66.75.37	A	list.wheretolive.com
199.66.75.51	A+PTR	mail.wheretolive.com
199.66.75.51	A	mail.21homesearch.com
199.66.75.51	A	mx.wtlhelp.com
199.66.75.52	A	danielpkchan.com
199.66.75.52	A	45mingayave.com
199.66.75.52	A	privatehobbyfarm.com
199.66.75.59	A+PTR	mail.results.net
199.66.75.90	A	mail.advplus.com
199.66.75.91	A+PTR	mail.1kbb.com
199.66.75.120	A	web.qualiteduservicealaclientele.ca
199.66.75.120	A	web.qualitycertified.org
199.66.75.120	A	qualiteduservicealaclientele.ca
199.66.75.125	A	www.wheretolive.com
199.66.75.125	A	realtyassociatesnaples.com
199.66.75.125	A	ranaples.com
199.66.75.128	A	goapp.ehrgo.com
199.66.75.133	A	econfirm.org
199.66.75.133	A	merchantop.contentpilot.net
199.66.75.133	A	www.merchantgould.com
199.66.75.135	A	*.advanceeng.com
199.66.75.136	A	battery.com
199.66.75.136	A	www.rogerleevc.com
199.66.75.136	A	rogerleevc.com
199.66.75.140	A	garrisonkeillor.com
199.66.75.142	A	epochbespoke.com
199.66.75.142	A	epochlacrosse.com
199.66.75.163	A	healthtelsecure.net
199.66.75.166	A	ht123mn.com
199.66.75.187	A	agilityblue.com
199.66.75.224	A	adirondackpetfood.com
199.66.75.224	A	lightthecathedral.com
199.66.75.224	A	mnbpea.com
199.66.75.229	A	u4eastudio.com
199.66.75.229	A	centerofexcellencepreschool.org
199.66.75.229	A	stillpointmag.org
199.66.75.230	PTR	snyderattorneys.com
199.66.75.232	A+PTR	ahive01.msp.atomicdata.com
199.66.75.237	A	cp05.atomicdata.com
199.66.75.243	A	home.mortenson.com
199.66.75.243	A	mortenson.com
199.66.75.243	A	www.mortenson.com
199.66.75.245	A	www-cm.mortenson.com