Robtex

Up: 66.197.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.197.180.0/23
Down right: 66.197.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.197.180.5	A	mx-5.dqoi.com
66.197.180.11	PTR	11.180.197.66.static.hostnoc.net
66.197.180.26	PTR	web6.heyfivedown.com
66.197.180.26	A	wos1.handfere.com
66.197.180.42	PTR	42-180.reverse.seemorestuffnow.com
66.197.180.50	PTR	50.180.197.66.static.hostnoc.net
66.197.180.50	A	xleducationcorp.com
66.197.180.51	A	ns2.alwasat-libya.org
66.197.180.58	A	ns3.improvedcreditcentral.com
66.197.180.58	A	ns1.improvecreditinfo.com
66.197.180.58	A	ns1.improvedcreditcentral.com
66.197.180.61	A	mx-61.dzyk.com
66.197.180.62	A	mx-62.dzyk.com
66.197.180.64	A	mx-64.dzyk.com
66.197.180.98	A	*.buz2buz.com
66.197.180.98	A	www.buz2buz.com
66.197.180.98	A	test.buz2buz.com
66.197.180.100	A	jayservblog.com
66.197.180.130	A+PTR	critical.3rror.org
66.197.180.131	PTR	66-197-180-131.static.hostnoc.net
66.197.180.213	A	mx-213.hzuy.com
66.197.180.214	A	mx-214.hzuy.com
66.197.180.215	A	mx-215.hzuy.com
66.197.180.217	PTR	66-197-180-217.static.hostnoc.net
66.197.180.218	A	mx-218.hzuy.com
66.197.180.219	PTR	66-197-180-219.static.hostnoc.net
66.197.180.219	A	mx-219.hzuy.com
66.197.180.250	PTR	s963071.x2-network.com
66.197.180.250	A	satclubbing.info
66.197.181.42	PTR	226625.sr13.servidor1000.com
66.197.181.56	A	webthumbgen.com
66.197.181.78	A	ns1.internetmarketingv2.com
66.197.181.79	A	ns2.internetmarketingv2.com
66.197.181.91	PTR	91.181.197.66.static.hostnoc.net
66.197.181.130	PTR	cst34.regionwonder.com
66.197.181.130	A	www.laixx.com
66.197.181.141	A	mrydt.com
66.197.181.226	PTR	server06.promundos.net
66.197.182.3	A	mail.riversideapartmentsandrentals.com
66.197.182.3	A	ns1.riversideapartmentsandrentals.com
66.197.182.3	A	ns2.riversideapartmentsandrentals.com
66.197.182.4	A	mail.dorsett221.com
66.197.182.4	A	ns1.dorsett221.com
66.197.182.5	A	ns1.search2007.info
66.197.182.6	A	ns2.dorsett221.com
66.197.182.14	PTR	66-197-182-14.static.hostnoc.net
66.197.182.14	A	mail.pharmbytel.com
66.197.182.25	PTR	66-197-182-25.static.hostnoc.net
66.197.182.32	A	ns2.cbarwindsor.com
66.197.182.36	PTR	66-197-182-36.static.hostnoc.net
66.197.182.46	PTR	66-197-182-46.static.hostnoc.net
66.197.182.47	A	ns2.smothermovies.com
66.197.182.47	A	ns1.strapon-dykes.com
66.197.182.48	A	ns2.strapon-dykes.com
66.197.182.49	PTR	66-197-182-49.static.hostnoc.net
66.197.182.49	A	ns2.straponpost.com
66.197.182.49	A	ns1.femdomlatex.com
66.197.182.56	PTR	56.182.197.66.static.hostnoc.net
66.197.182.69	PTR	ns71.hosting24.com
66.197.182.74	A	ele.boxsecured.com
66.197.182.77	PTR	77.182.197.66.static.hostnoc.net
66.197.182.77	A	ns1.ecuadorhosting.org
66.197.182.83	PTR	83.182.197.66.static.hostnoc.net
66.197.182.91	PTR	miracklesol.com
66.197.182.117	PTR	www8.earthblogworld.net
66.197.182.148	A	ns.infotellnet.com
66.197.183.5	PTR	alpha.webmarketingpros.com
66.197.183.5	A	hatball.com
66.197.183.5	A	ohiget.it
66.197.183.69	A	a-66-197-183-69.flaviomiguel.com.br
66.197.183.93	PTR	fission.hostnoc.net
66.197.183.101	A	server3.visiondotcom.com
66.197.183.149	A	ns1.gamerdedicated.com
66.197.183.150	A	ns2.gamerdedicated.com
66.197.183.167	PTR	best-campaigner.com
66.197.183.200	PTR	clove.net
66.197.183.216	PTR	ns1.b-dns.net
66.197.183.217	PTR	ns2.b-dns.net
66.197.183.229	A	amiamanglik.com
66.197.183.230	A	advancepasswordgenerator.com