Robtex

Up: 206.71.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 206.71.48.0/22
Down right: 206.71.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.71.48.10	A	mail.pmamediagroup.net
206.71.48.10	A	mail.renevati.com
206.71.48.41	A+PTR	rco0.nmarkvel.com
206.71.48.41	A	nmarkvel.com
206.71.48.41	A	ns1.nmarkvel.com
206.71.48.42	A+PTR	rco1.nmarkvel.com
206.71.48.46	PTR	qco0.gsresponse.com
206.71.48.47	PTR	qco1.gsresponse.com
206.71.48.51	PTR	svr-48-51.zenevidobu.com
206.71.48.73	A+PTR	kwps2.vtasend.com
206.71.48.76	A	bxsend.com
206.71.48.140	PTR	osnw2.steelcreekmusic.com
206.71.48.153	A	sresponse.com
206.71.50.92	A	mail.8vjc.com
206.71.50.92	A	ns1.8vjc.com
206.71.50.92	A	ns2.8vjc.com
206.71.50.174	A+PTR	silverrecipe.com
206.71.50.174	A	ns1.silverrecipe.com
206.71.50.174	A	ns2.silverrecipe.com
206.71.50.202	A+PTR	popfiber.com
206.71.50.202	A	thegardenbrooklyn.com
206.71.50.202	A	the-village-cafe.com
206.71.50.230	A+PTR	dmagentny.dotcom-monitor.com
206.71.51.20	A+PTR	mail.techysystems.com
206.71.51.20	A	techysystems.com
206.71.51.20	A	mx.enkio.com
206.71.51.29	A+PTR	mx1.tellushosting.com
206.71.51.29	A	mx8.tellushosting.com
206.71.51.29	A	tellushosting.com
206.71.51.36	A	carpealimentum.com
206.71.51.37	A	localfoodsatlanta.com
206.71.51.38	A	atlantarex.com
206.71.51.39	A	foodtruckatl.com
206.71.51.41	A	whatthefoodtruck.com
206.71.51.42	PTR	prepatl.com
206.71.51.42	A	braddsmith.com
206.71.51.43	A	art-atlanta.com
206.71.51.55	PTR	tutman.edtvpath.com
206.71.51.134	PTR	rly4.faveclicks.com
206.71.51.134	A	mail.adser.co
206.71.51.134	A	ns1.adser.co
206.71.51.141	A	qi.adser.co
206.71.51.164	A	mx2.intecentar.com
206.71.51.164	A	intecentar.com
206.71.51.164	A	skinhealth.care
206.71.51.171	A	runningcaveman.com
206.71.51.172	A	ns1.besthostclouds.com
206.71.51.196	A	smx.tellushosting.net
206.71.51.212	A	pharmaceuticalsinternational.com
206.71.51.212	A	ns48.pharmaceuticalsinternational.com
206.71.51.230	A	sterilove.com
206.71.51.231	A	itodohri.com
206.71.51.232	A	encelery.com
206.71.51.233	PTR	mail.mbgrhosted.com
206.71.51.233	A	mail.itodohri.com
206.71.51.233	A	mail.sterilove.com
206.71.51.236	A	lionchm.com
206.71.51.252	A	mail.hu4t.com
206.71.51.253	A	4bzf9y.com
206.71.51.253	A	ns1.4bzf9y.com
206.71.51.253	A	mail.4bzf9y.com
206.71.52.4	A+PTR	mail.kitinfinet.net
206.71.52.10	A	ns1.earlu.com
206.71.52.11	A	ns2.earlu.com
206.71.52.17	A	mail.infoesitys.com
206.71.52.24	A	www.dividendium.com
206.71.52.24	A	dividendium.com
206.71.52.32	A	ifacleveland.com
206.71.52.41	A+PTR	freedomware.net
206.71.52.41	A	www.freedomware.net
206.71.52.41	A	waytogive.net
206.71.52.73	PTR	nsa.aers.co.za
206.71.52.73	A	www.sia.co.za
206.71.52.73	A	ftr.co.za
206.71.52.80	A+PTR	redcat.od.ua
206.71.52.80	A	mail.redcat.od.ua
206.71.52.80	A	ns1.redcat.od.ua
206.71.52.83	PTR	tradeal.com.br
206.71.52.87	A	ruballogistics.com
206.71.52.88	A+PTR	mail.kitinfinet.com
206.71.52.88	A	ns2.kitinfinet.net
206.71.52.88	A	ns2.kitinfinet.com
206.71.52.89	A	ns3.kitinfinet.com
206.71.52.96	A	ns4.kitinfinet.net
206.71.52.96	A	ns4.kitinfinet.com
206.71.52.109	PTR	sm.dl.pro.br
206.71.52.116	PTR	cashback2day.com
206.71.52.132	PTR	vps.galaxyvisions.com
206.71.52.143	PTR	vps.jeidedesigns.com
206.71.52.143	A	twinarrowshorseranch.com
206.71.52.143	A	mail.lowcostprintshop.com
206.71.52.144	A	ns2.twainhartevacationrental.com
206.71.52.144	A	ns2.shadowridge.com
206.71.52.144	A	ns2.kleen-kare.com
206.71.52.166	PTR	tirehousecall.com
206.71.52.166	A	mail.porkhabar.com
206.71.52.166	A	mail.globalfurnished.com
206.71.52.167	PTR	mail.windowsdating.com
206.71.52.210	A	www.throwbackads.com
206.71.52.214	A	mail.information-tv.com
206.71.52.228	PTR	rvsmail.est.adm.br
206.71.52.243	A+PTR	pva.galaxyvisions.com
206.71.53.4	PTR	cp.gv-server.com
206.71.53.4	A	mail.onmaxsolution.com
206.71.53.4	A	ns1.gv-server.com
206.71.53.5	PTR	ns2.gv-server.com
206.71.53.6	PTR	cpanel1.gv-server.com
206.71.53.10	A+PTR	nhsj.org
206.71.53.10	A	www.nhsj.org
206.71.54.22	A+PTR	topfinecooking.com
206.71.54.22	A	ns2.topfinecooking.com
206.71.54.22	A	ns1.topfinecooking.com
206.71.54.45	A	wristwerx.com
206.71.54.49	A	expresswatchesnyc.com
206.71.54.57	A	lifeinsurepolicy.com
206.71.54.64	A	mail.novaesp.com
206.71.54.84	A	ns1.tellushosting.com
206.71.54.84	A	ns2.tellushosting.com
206.71.54.100	A	ns1.hollywoodoops.com
206.71.54.100	A	ns2.hollywoodoops.com
206.71.54.100	A	hollywoodspreads.com
206.71.54.254	A	superfastsftp.com