Robtex

Up: 66.90.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.90.88.0/22
Down right: 66.90.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.90.88.72	PTR	tubefreay.com
66.90.89.3	PTR	dotboxes.com
66.90.89.3	A	ns2.sitesespeciais.com
66.90.89.4	PTR	dotboxes.com
66.90.89.5	PTR	dotboxes.com
66.90.89.174	A	o.yi.org
66.90.89.238	PTR	matrix.hostturk.gen.tr
66.90.90.144	PTR	foose.nitrousexpress.info
66.90.90.146	PTR	overhaulin.fanclub.cc
66.90.90.168	PTR	is.not.okay.to.strangled.net
66.90.90.178	PTR	handsome-gay-guy.kicks-ass.org
66.90.91.2	A	dc-8c528514.soydominicano.net
66.90.91.2	A	mail.dkestilo.com
66.90.91.2	A	mail.emisoraseninternet.com
66.90.91.5	PTR	nerdy.cirtexhosting.com
66.90.91.7	PTR	nerdy.cirtexhosting.com
66.90.91.9	PTR	nerdy.cirtexhosting.com
66.90.91.10	PTR	fuzzy.cirtexhosting.com
66.90.91.11	A	drewg.net
66.90.91.14	A	supplypond.com
66.90.91.16	PTR	kitty.cirtexhosting.com
66.90.91.19	PTR	ns77.cirtexhosting.com
66.90.91.19	A	travelerwebtv.com
66.90.91.19	A	aqariumwebtv.com
66.90.91.20	A	drewmall.com
66.90.91.20	A	mail.supplypond.com
66.90.91.62	PTR	irc.kardjali.org
66.90.91.84	PTR	secure.criim.org
66.90.91.132	PTR	minty.cirtexhosting.com
66.90.91.144	PTR	www.vaunce.tv
66.90.91.147	PTR	milky.cirtexhosting.com
66.90.91.152	PTR	scratchy.cirtexhosting.com
66.90.91.161	A	ns.proxy-tool.com
66.90.91.210	A	www.adornetto.com
66.90.91.210	A	adornetto.com
66.90.91.210	A	*.adornetto.com
66.90.92.10	PTR	eye-two.on-demand-tech.com
66.90.92.12	PTR	sevatech.com
66.90.92.17	PTR	dhost.info
66.90.92.35	PTR	wilmer.wallaceleonettesecur.net
66.90.92.36	A+PTR	cp.vitalspeeds.com
66.90.92.45	PTR	ns2.gobroadcast.com
66.90.92.51	PTR	reverso1ok.bmvirtual.com
66.90.92.60	A	ns1.alphamaster.net
66.90.92.73	PTR	descargas.quevideos.com
66.90.92.79	PTR	server.eliteserver.info
66.90.92.82	PTR	merrill.wallaceleonettesecur.net
66.90.92.89	PTR	ems05.resolution.de
66.90.92.106	PTR	zelindayong.com
66.90.92.106	A	tipi-tenten.nl
66.90.92.107	A	supplyvibramshoes.com
66.90.92.107	A	ochsen-zofingen.ch
66.90.92.107	A	kulemann-os.de
66.90.92.108	PTR	berenicechan.com
66.90.92.109	PTR	crotildaki.com
66.90.92.114	PTR	billing.linspirehosting.com
66.90.92.114	A	atlas2.bitbooster.net
66.90.92.115	PTR	server19.cirtexhosting.net
66.90.92.115	A	vmumv.com
66.90.92.130	PTR	mx2.fdcservers.net
66.90.92.139	A	zachara.org
66.90.92.145	PTR	fdc-23.server.hemenpaylas.com
66.90.92.147	PTR	dnsserv.beyondsand.net
66.90.92.148	PTR	prodserv.beyondsand.net
66.90.92.177	PTR	exchengine.ru
66.90.92.180	A	aobodao.com
66.90.92.180	A	www.aobodao.com
66.90.92.180	A	marcos.virtuaserver.com.br
66.90.92.181	A	hostgator-review-coupon.org
66.90.92.186	PTR	www.tamilfind.com
66.90.92.218	PTR	ussemi041b.xirvik.com
66.90.92.232	PTR	spox.pl
66.90.92.234	PTR	server.nameserver.srv.br
66.90.92.242	PTR	ns1.sunzara.com
66.90.92.243	PTR	ns2.sunzara.com
66.90.92.249	PTR	mahal.bihira.com
66.90.92.251	PTR	server5.hostforhim.com
66.90.93.34	A	hls.vaughnsoft.net
66.90.93.74	A	www.radiocooperativa.cl
66.90.93.82	A	live7.quarkspro.net
66.90.93.82	A	lv7.wildcardnets.com
66.90.93.82	A	live7.machtv.info
66.90.93.106	A	livevod3.machtv.info
66.90.93.119	PTR	ssl.usa-saverrefi.info
66.90.93.120	PTR	ssl.formusa-refiteam.info
66.90.93.121	PTR	ssl.formusa-teamrefi.info
66.90.93.122	PTR	ssl.quote-usarefiteam12.info
66.90.93.128	PTR	ns2.megaphile.com
66.90.93.130	A	livevod5.quarkspro.net
66.90.93.130	A	livevod5.machtv.info
66.90.93.130	A	lvod5.wildcardnets.com
66.90.93.176	PTR	movies-pictures.net
66.90.94.66	PTR	server02.paraguayhosting.com
66.90.94.66	A	akr.com.py
66.90.94.66	A	paraguayplay.com
66.90.94.82	A	s63.podbean.com
66.90.94.90	A	damascus.mobi
66.90.94.90	A	worldhotelresidences.com
66.90.94.90	A	castries.mobi
66.90.94.114	A	slink.colefile.net
66.90.94.186	A	songs1.djmazadownload.com
66.90.94.218	A	minnal4.cdn0077.com
66.90.94.243	A	villagemillchicago.com
66.90.94.243	A	vintageretrofits.com
66.90.94.243	A	genettigardens.com
66.90.95.18	A	www.spirit-gaming.net
66.90.95.35	PTR	linkfast26.info
66.90.95.58	A	voxcards.com.br
66.90.95.58	A	pinpix.com.br
66.90.95.58	A	www.voxcards.com.br
66.90.95.66	A	btr-grass-03.blogtalkradio.com
66.90.95.74	A	squarrose.com
66.90.95.82	A	raisebuild.net
66.90.95.98	A	meccaluxurysuites.com
66.90.95.98	A	marrakechluxuryrestaurants.com
66.90.95.98	A	meccameetingrooms.com