Robtex

Up: 66.201.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 66.201.32.0/20
Down right: 66.201.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.201.32.14	A+PTR	ns.fiberinternetcenter.com
66.201.32.14	A	ns.internetinventions.com
66.201.32.18	A+PTR	ns2.fiberinternetcenter.com
66.201.32.18	A	ns2.internetinventions.com
66.201.32.66	PTR	wbayshore.fibernoc.net
66.201.32.74	PTR	spamfirewall.fibernoc.com
66.201.32.74	A	spamfirewall.ductus.com
66.201.32.134	PTR	sanjose2.barefruit.co.uk
66.201.32.213	A	colo.fibernoc.net
66.201.35.124	A	optin.wnd.com
66.201.36.164	A	apsylon.org
66.201.37.1	A	mail.inn-ind.com
66.201.37.1	A	mail.parksair.com
66.201.37.19	A	netbox.net
66.201.37.19	A	net-box.net
66.201.38.2	A	smtp.bssp.com
66.201.38.3	A	reverse3.bssp.com
66.201.38.6	A	fortress-of-solitude.com
66.201.38.6	A	monsterhoodoo.com
66.201.38.33	A	stonehouse.com
66.201.38.34	A	gigeman.com
66.201.38.37	A+PTR	exch01pacs.symphonytg.com
66.201.38.44	A	acma01.symphonytg.com
66.201.38.92	A	palsmsex01.symphonysv.com
66.201.40.1	A	paix.macweb.net
66.201.40.2	A	switch.macweb.net
66.201.40.3	A+PTR	ns1.macweb.com
66.201.40.4	A+PTR	ns2.macweb.com
66.201.40.30	A	macweb.com
66.201.40.32	PTR	www.omnivisionlive.com
66.201.40.32	A	www.domainkeep.com
66.201.40.32	A	beautifularagon.com
66.201.40.33	PTR	www.boombastic.com
66.201.40.35	PTR	eri-ca.com
66.201.40.35	PTR	macminicloud.net
66.201.40.66	A+PTR	macmini-66.macminicloud.net
66.201.40.78	A	www.fmsavvy.com
66.201.40.78	A	fmsavvy.com
66.201.40.79	A	www.fmaction.net
66.201.40.98	PTR	macmini-98.macminicloud.net
66.201.40.98	A	macweb.com
66.201.40.100	A	mail.openonix.org
66.201.40.100	A	mail.giantchair.net
66.201.40.100	A	mail.scholarlybookshop.com
66.201.40.128	A	pdf.giantchair.com
66.201.40.130	A	calmelscohen.giantchair.com
66.201.40.130	A	web2.giantchair.com
66.201.40.131	PTR	afghanculture.org
66.201.40.131	PTR	www.afghanculture.org
66.201.40.134	A	mail.cunemagazines.com
66.201.40.161	A	www.quae.fr
66.201.40.166	A	legion.giantchair.com
66.201.40.167	A	gemstar.giantchair.com
66.201.40.168	A	debatvirtuel.bpi.fr
66.201.40.192	PTR	vrij.uitgeverijdeboeck.be
66.201.40.192	PTR	web9a.giantchair.com
66.201.40.192	A	pun.be
66.201.40.193	PTR	onixsuite.com
66.201.40.193	PTR	hoger.uitgeverijdeboeck.be
66.201.40.193	A+PTR	mail.onixsuite.com
66.201.40.225	A+PTR	openonix.org
66.201.40.226	A	klincksieck.com
66.201.40.226	A	klincksieck.giantchair.com
66.201.40.228	A+PTR	sql3.giantchair.com
66.201.41.4	PTR	tl-er6120.macminicloud.net
66.201.41.7	PTR	macmini-7.browserstack.com
66.201.41.7	A	hub-usw.browserstack.com
66.201.42.3	PTR	simon.fiberinternetcenter.com
66.201.42.3	A	excompany.com
66.201.42.3	A	packetbus.com
66.201.42.33	A	mail2.tothept.com
66.201.42.46	A	hrvd.net
66.201.42.46	A	www.hrvd.net
66.201.42.47	A	hrvd.org
66.201.42.66	PTR	66-201-42-66.icontrol.com
66.201.42.66	A	oaklandfiber.com
66.201.42.84	A	fibernoc.net
66.201.42.84	A	bresnan-online.net
66.201.42.84	A	gigeman.net
66.201.42.104	A	ftp.kateeva.com
66.201.42.130	A	snd.fibernoc.com
66.201.42.148	A	mail.coastaluminum.com
66.201.42.148	A	mx10.coastaluminum.com
66.201.42.148	A	mx20.coastaluminum.com
66.201.42.227	A	eobmaster.com
66.201.43.146	A+PTR	owa.veraqa.com
66.201.43.146	A+PTR	mail.veraqa.com
66.201.43.181	A	zzventures.com
66.201.43.198	PTR	mx2.fab7.com
66.201.43.198	A	onlyinn.com
66.201.43.198	A	mdronline.com
66.201.44.19	A	mail.wealtharchitects.com
66.201.44.21	A	remote.wealtharchitects.com
66.201.44.35	A+PTR	fibernoc.fiberinternetcenter.com
66.201.44.48	A	ns3.fiberinternetcenter.com
66.201.44.49	A	ns4.fiberinternetcenter.com
66.201.44.50	A	cns.fiberinternetcenter.com
66.201.44.58	A	noc.fibernoc.com
66.201.44.66	PTR	ftp.eobone.net
66.201.44.66	A	eob1.net
66.201.44.66	A	www.eob1.net
66.201.44.70	A	835view.com
66.201.44.70	A	eobnow.com
66.201.44.83	PTR	tj-cas.tjet-tech.com
66.201.44.84	PTR	tj-hub.tjet-tech.com
66.201.44.130	PTR	mail.dna20.com
66.201.44.130	A	mail.dnatwopointo.com
66.201.44.131	PTR	1.dna20.com
66.201.44.131	A	protein20.com
66.201.44.133	A	selectagentregistry.org
66.201.44.148	A	lab.fiberinternetcenter.com
66.201.44.164	A	moonshotthoughts.com
66.201.44.179	A	noc.fibernoc.com
66.201.44.180	A	sq.fiberinternetcenter.com
66.201.44.210	PTR	owa.theranos.com
66.201.44.219	PTR	owa.theranos.com
66.201.44.220	A+PTR	tbn.theranos.com
66.201.44.226	PTR	ids-ca.com
66.201.44.227	A+PTR	ids-ca.com
66.201.44.227	A	www.ids-ca.com
66.201.44.227	A	tradeshowsurveys.com
66.201.44.230	PTR	ids-ca.com
66.201.45.59	A	mail.bridgesmav.net
66.201.45.82	A	myfinancesite.com
66.201.45.82	A	redlodgemassage.com
66.201.45.82	A	vytonorganics.com
66.201.45.97	A	ip-66-201-45-97.communitywireless.coastside.net
66.201.45.98	A	genimbi.net
66.201.45.99	A	ip-66-201-45-99.communitywireless.coastside.net
66.201.45.179	A	mail.academicsdirect.com
66.201.45.184	A	findnursingdegrees.com
66.201.45.194	A	mail.acclarent.com
66.201.45.227	A	ip-66-201-45-227.sharpcast.com
66.201.45.228	A	ip-66-201-45-228.sharpcast.com
66.201.45.229	A	ip-66-201-45-229.sharpcast.com
66.201.45.230	A	ip-66-201-45-230.sharpcast.com
66.201.46.35	A+PTR	mail.vancebrown.com
66.201.46.35	A	vbinc.net
66.201.46.35	A	mail.vbinc.net
66.201.46.38	A	smtp.vancebrown.com
66.201.46.74	A+PTR	spamfirewall2.fibernoc.com
66.201.46.82	A	office.benetech.org
66.201.46.83	A	hrdag.benetech.org
66.201.46.84	A	searchbeta.martus.org
66.201.46.98	PTR	mx.fab7.com
66.201.46.98	A	onlyinn.com
66.201.46.98	A	mdronline.com
66.201.46.130	A	*.shsalon.com
66.201.46.130	A	servicecore.net
66.201.46.130	A	buzzmonitor.com
66.201.46.168	A	www.quantiep.com
66.201.46.168	A	ez4friend.com
66.201.46.168	A	champhay.com
66.201.46.171	PTR	mail.inwardoutward.org
66.201.46.249	A	ns2.raykhenberg.com
66.201.46.249	A	raykhenberg.com
66.201.46.249	A	ns1.raykhenberg.com
66.201.48.59	PTR	mail.bprproperties.com
66.201.48.195	A	ftp2.pacificbiosciences.com
66.201.49.38	A	*.reactnetwork.com
66.201.49.38	A	reactnetwork.com
66.201.49.40	PTR	foresight.org
66.201.49.40	A	lavrisha.com
66.201.49.130	A	ns2.adomodemo.com
66.201.49.150	A	mail.tarlton.com
66.201.49.162	A	nimbuscricket.com
66.201.49.164	A	merry.pingm.net
66.201.49.178	A	hq.trickplay.com
66.201.51.4	A	bsspmail.com
66.201.51.50	PTR	millcomputing.com
66.201.51.50	A	ootbcomp.com
66.201.51.50	A	mail.ootbcomp.com
66.201.51.67	PTR	mail.onstor.com
66.201.51.67	A	onstor.net
66.201.51.71	A+PTR	phd.onstor.com
66.201.51.80	A	exch1.onstor.com
66.201.51.105	A	labs.theranos.com
66.201.51.107	A	mail.onstor.com
66.201.51.107	A	mail.onstor.net
66.201.51.107	A	web1.theranos.com
66.201.51.108	A	web1.theranos.com
66.201.51.130	A	ip-66-201-51-130.communitywireless.coastside.net
66.201.51.131	PTR	mail.keysschool.com
66.201.51.131	A	ip-66-201-51-131.communitywireless.coastside.net
66.201.51.134	A+PTR	mail.keysschool.com
66.201.51.136	A	ip-66-201-51-136.communitywireless.coastside.net
66.201.51.160	A	ip-66-201-51-160.communitywireless.coastside.net
66.201.51.163	A	ip-66-201-51-163.communitywireless.coastside.net
66.201.51.164	A	ip-66-201-51-164.communitywireless.coastside.net
66.201.51.165	A	ip-66-201-51-165.communitywireless.coastside.net
66.201.51.195	A	ip-66-201-51-195.communitywireless.coastside.net
66.201.51.197	A	ip-66-201-51-197.communitywireless.coastside.net
66.201.51.199	A	ip-66-201-51-199.communitywireless.coastside.net
66.201.51.202	A	ip-66-201-51-202.communitywireless.coastside.net
66.201.51.228	A	ip-66-201-51-228.communitywireless.coastside.net
66.201.51.229	A	ip-66-201-51-229.communitywireless.coastside.net
66.201.51.232	A	ip-66-201-51-232.communitywireless.coastside.net
66.201.51.233	A	ip-66-201-51-233.communitywireless.coastside.net
66.201.54.2	A	porcupine.acuitus.com
66.201.54.3	A	elderberry.acuitus.com
66.201.54.5	A	ergot.acuitus.com
66.201.54.66	A	ns2.ormanist.com
66.201.54.66	A	mail.papertunel.net
66.201.54.66	A	ns2.biovariant.com
66.201.54.126	A	ts2.dreamhost.com
66.201.54.164	A	icloud-radio.com
66.201.54.195	A	mail.warpspeed-tv.com
66.201.54.210	PTR	mail.itp.edu
66.201.54.227	A	secure.theranos.com
66.201.54.246	A	bmwtechnology.com
66.201.55.1	A	fic-border.essexpropertytrust.com
66.201.55.3	A+PTR	pa-gateway.essexpropertytrust.com
66.201.55.4	A	pao-mx400.essexpropertytrust.com
66.201.56.146	A+PTR	mail.pacificbiosciences.com
66.201.56.154	A	dc-exchcas01.nanofluidics.com
66.201.56.155	A	dc-exchcas02.nanofluidics.com
66.201.56.178	A	goldenautomuffler.com
66.201.56.178	A	pureenvyspabar.com
66.201.56.182	A	valuepc.com
66.201.57.18	A	istudyplatform.com
66.201.57.18	A	inventxr.com
66.201.58.123	A	mail.bidzillion.com
66.201.58.232	A	*.ccsainc.com
66.201.58.232	A	ns.ccsainc.com
66.201.58.232	A	ccsainc.com
66.201.60.22	A	email.nhnusainc.net
66.201.60.22	A	email.nhnusacorp.com
66.201.60.22	A	email.nhnusacorp.net
66.201.60.35	A	mx1.nanosysinc.com
66.201.60.36	A	mx2.nanosysinc.com
66.201.60.37	A+PTR	oracle.nanosysinc.com
66.201.61.8	PTR	reverse8.bssp.com
66.201.63.165	A	ws-2.willow.tv
66.201.63.177	A	66-201-63-177.maproyalty.com
66.201.63.178	A	chat.maproyalty.com
66.201.63.178	A	pa-im-01.maproyalty.com