Robtex

Up: 64.239.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.239.0.0/23
Down right: 64.239.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.239.0.97	PTR	dualhost.com
64.239.1.22	A	mail.los-cabos.com.mx
64.239.1.42	PTR	dom-64-239-1-42.a2zinternet.net
64.239.1.54	PTR	amyandben.org
64.239.1.55	PTR	billing.zylink.net
64.239.1.56	PTR	moir.org.co
64.239.2.9	PTR	dmz3.avenues.info
64.239.2.16	PTR	dmz10.avenues.info
64.239.2.17	PTR	dmz10.avenues.info
64.239.2.21	PTR	industrysmarts.com
64.239.2.31	PTR	nameserveronly.com
64.239.2.33	A	vip13.ryanpromos.com
64.239.2.33	A	test.electricsmarts.com
64.239.2.33	A	test3.electricsmarts.com
64.239.2.38	A+PTR	ftp.electricsmarts.com
64.239.2.44	A	admin.electricsmarts.com
64.239.2.49	PTR
64.239.2.49	A	conn-solutions.com
64.239.2.54	PTR	dmz10.avenues.info
64.239.2.56	A	ns.owenstechnology.net
64.239.2.57	PTR	www.electricsmarts.com
64.239.2.57	A	electricsmarts.com
64.239.2.62	A+PTR	admin.netpricer.net
64.239.2.65	A	www.wmcv.com
64.239.2.65	A	www.zeeklers.com
64.239.2.66	PTR	ns.starwebprohost.com
64.239.2.69	A+PTR	ns1.wmcv.com
64.239.2.72	PTR	sunrox.com
64.239.2.73	PTR	ns.sunrox.com
64.239.2.75	A+PTR	service.netpricer.net
64.239.2.77	PTR	web.mtparan.com
64.239.2.78	A	netpricer.net
64.239.2.80	PTR	vbhost23.viralbizmedia.com
64.239.2.83	PTR	db.dnsforever.net
64.239.2.84	PTR	mysql.com
64.239.2.91	PTR	ns4.webtwo.com
64.239.2.97	A	pebblescape.com
64.239.2.97	A	ns5.motionborg.com
64.239.2.100	PTR	www.racconto-adulti.com
64.239.2.106	A+PTR	ns3.motionborg.com
64.239.2.113	PTR	glnx.com
64.239.2.115	PTR	avanza.hostingred.com
64.239.2.115	A	delfoscfa.com
64.239.2.115	A	mail.metrikperformance.com
64.239.2.128	PTR	nrg-group.com
64.239.2.136	PTR
64.239.2.136	A	ns.cwlm.com
64.239.2.136	A	mail.cwlm.com
64.239.2.137	A	ns.webreportkeeper.com
64.239.2.143	A	xvencorp.com
64.239.2.145	A	ns1.neoworkshosting.com
64.239.2.145	A	smtp.bpobackchat.com
64.239.2.146	A+PTR	dimavps2.dimacorp.com
64.239.2.146	A	dycvensa.com.ve
64.239.2.149	A	ns2.neoworkshosting.com
64.239.2.163	PTR
64.239.2.163	A	mail.krawitz.net
64.239.2.170	A	grupounoextranet.com
64.239.2.170	A	ns.grupounoextranet.com
64.239.2.170	A	ns2.grupounoextranet.com
64.239.2.172	PTR	gpohsr.com
64.239.2.172	A	macular-degeneration-vitamin.com
64.239.2.172	A	mail.macular-degeneration-vitamin.com
64.239.2.173	A	areds-2.com
64.239.2.173	A	mail.areds-2.com
64.239.2.178	PTR	mail2.solvitsoft.com
64.239.2.178	A	mail.solvitsoft.net
64.239.2.180	PTR
64.239.2.180	A	mail.macular-degeneration-information.com
64.239.2.182	PTR
64.239.2.187	A	reverse-macular-degeneration.com
64.239.2.191	A	abouteyevitamins.com
64.239.2.193	A	pinkeyeremedies.net
64.239.2.194	PTR	conf.nikitova.com
64.239.2.197	A	mail.symptomsofpinkeye.com
64.239.2.199	A	floatersintheeye.net
64.239.2.201	PTR
64.239.2.201	A	lodanwest.com
64.239.2.202	A	agemaculardegeneration.net
64.239.2.203	A	retinaeye.net
64.239.2.204	A	maculardegenerationtreatments.net
64.239.2.207	PTR	smmail.staffmate.com
64.239.2.215	PTR	host02.hosting.neoworks.co.uk
64.239.2.215	A	pinkeyes.org
64.239.2.217	A+PTR	catalogs.electricsmarts.com
64.239.3.153	PTR	ns1.mypremiumhosting.com
64.239.3.174	PTR	sweetvictorian.com
64.239.3.174	A	mail.sweetvictorian.com
64.239.3.183	PTR	heli-kit.com.ar
64.239.3.183	A	mail.heli-kit.com
64.239.3.183	A	heli-kit.com
64.239.3.184	A	disenio5.com
64.239.3.184	A	mail.disenio5.com
64.239.3.185	PTR	ns1.mypremiumhosting.com
64.239.3.194	PTR	grupomora.com
64.239.3.195	PTR	dhdecoracion.com
64.239.3.202	A+PTR	electrosistema.com.ar
64.239.3.204	PTR	grproducciones.com
64.239.3.204	A	mail.reservasanguillermo.com
64.239.3.204	A	reservasanguillermo.com
64.239.3.206	A	julioapud.com.ar
64.239.3.212	A+PTR	industriasjaime.com
64.239.3.212	A	mail.industriasjaime.com
64.239.3.213	PTR
64.239.3.216	A	mail.edelweiss-sa.com.ar
64.239.3.216	A	edelweiss-sa.com.ar
64.239.3.217	A	www.stellamarissironi.com
64.239.3.217	A	stellamarissironi.com
64.239.3.226	A	mail.frutasmayka.com
64.239.3.226	A	frutasmayka.com
64.239.3.245	A	kalpadev-acg-save-api.com
64.239.3.247	A	kalpapdms.com
64.239.3.251	PTR	rjdelta.com
64.239.3.251	A	rjdelta.com.ar