Robtex

Up: 64.176.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.176.72.0/22
Down right: 64.176.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.176.72.4	PTR	pcsclassical.org
64.176.72.11	PTR	64-176-72-11.navisite.net
64.176.72.32	PTR	villa-venezia.com
64.176.72.35	PTR	64-176-72-35.navisite.net
64.176.72.41	PTR	unassigned.alabanza.com
64.176.72.42	PTR	unassigned.alabanza.com
64.176.72.43	PTR	barcorgages.com
64.176.72.48	PTR	alexander-skala.com.1
64.176.72.64	PTR	unassigned.alabanza.com
64.176.72.68	A	mail.jfrancis.com
64.176.72.68	A	mail.eraii.com
64.176.72.68	A	jfrancis.com
64.176.72.70	A	mail.wesbuschman.net
64.176.72.89	A+PTR	naturpharm.ca
64.176.72.89	A	mail.naturpharm.ca
64.176.72.90	A	futureformulations.ca
64.176.72.90	A	mail.futureformulations.ca
64.176.72.121	A	mail.sakuraindustries.com
64.176.72.121	A	sakuraindustries.com
64.176.72.123	PTR	bankermanagement.com
64.176.72.138	PTR	unassigned.alabanza.com
64.176.72.144	PTR	loemarina.com
64.176.72.163	PTR	unassigned.alabanza.com
64.176.72.167	A	mail.synergyworksny.com
64.176.72.169	PTR	unassigned.alabanza.com
64.176.72.179	PTR	unassigned.alabanza.com
64.176.72.195	A	mail.designerkydex.net
64.176.72.195	A	designerkydex.net
64.176.72.201	PTR	unassigned.alabanza.com
64.176.72.203	PTR	unassigned.alabanza.com
64.176.72.206	A	darkknives.com
64.176.72.206	A	mail.darkknives.com
64.176.72.216	A	mail.pzparker.com
64.176.72.218	PTR	hpctc.net
64.176.72.224	PTR	prm-net.com
64.176.72.233	PTR	unassigned.alabanza.com
64.176.72.249	PTR	unassigned.alabanza.com
64.176.73.208	A+PTR	domclark.com
64.176.74.11	A+PTR	hardercycling.com
64.176.74.11	A	mail.hardercycling.com
64.176.74.26	PTR	stevebelanger.com
64.176.74.49	PTR	alfouzan.com
64.176.74.130	A	vincent-vg.com
64.176.74.130	A	www.audiorefinement.com
64.176.74.130	A	mail.audiorefinement.com
64.176.74.168	PTR	registroenespanol.com
64.176.74.176	PTR	provoles.gr
64.176.74.177	PTR	elargo.gr
64.176.75.31	PTR	ccofal.org
64.176.75.49	PTR	pittmanfamily.net
64.176.75.195	A	learningsafari.net
64.176.75.195	A	mail.learningsafari.net
64.176.75.199	PTR	dococ.com
64.176.75.205	A	mail.ezwebcart.net
64.176.75.209	A	mail.abortionaccess.org
64.176.76.9	A	mail.annapolishouse.com
64.176.76.9	A	annapolishouse.com
64.176.76.10	PTR	tecelectric.com
64.176.76.63	A	singa-usa.com
64.176.76.96	A+PTR	dbdpny.com
64.176.76.97	PTR	unassigned.alabanza.com
64.176.76.97	A	lightshipentertainment.com
64.176.76.97	A	mail.lightshipentertainment.com
64.176.76.104	PTR	64-176-76-104.navisite.net
64.176.76.121	A	mail.xsports.com
64.176.76.200	PTR	dhcdc.org
64.176.76.217	PTR	tcmgroup.us
64.176.76.233	PTR	sterlingmediaservices.com
64.176.77.9	PTR	64-176-77-9.navisite.net
64.176.77.27	PTR	thestockbroker.com
64.176.77.35	PTR	jotest.com
64.176.77.57	PTR	tookyourcandy.com
64.176.77.65	PTR	unassigned.alabanza.com
64.176.77.66	PTR	kcpo.jp
64.176.77.80	PTR	smithmountainlakeboatyard.com
64.176.77.90	PTR	unassigned.alabanza.com
64.176.77.98	PTR	unassigned.alabanza.com
64.176.77.104	PTR	unassigned.alabanza.com
64.176.77.114	PTR	unassigned.alabanza.com
64.176.77.129	PTR	unassigned.alabanza.com
64.176.77.131	PTR	the-invitation.com
64.176.77.133	A	mail.hotfreaks.net
64.176.77.133	A	hotfreaks.net
64.176.77.138	PTR	unassigned.alabanza.com
64.176.77.152	PTR	pgrmedia.com
64.176.77.169	PTR	used-cars-car-auto-buying.com
64.176.77.176	PTR	unassigned.alabanza.com
64.176.77.187	PTR	unassigned.alabanza.com
64.176.77.192	PTR	unassigned.alabanza.com
64.176.77.203	PTR	unassigned.alabanza.com
64.176.77.210	PTR	gigueregym.com
64.176.77.218	PTR	makestarcomputerservices.com
64.176.77.249	A	icupn.com
64.176.78.63	A	bcls-law.com
64.176.78.63	A	mail.bcls-law.com
64.176.78.73	A+PTR	dargeluz.com.uy
64.176.78.73	A	mail.dargeluz.com.uy
64.176.79.3	PTR	unassigned.alabanza.com
64.176.79.10	A	kriscoland.com
64.176.79.10	A	mail.kriscoland.com
64.176.79.17	PTR	unassigned.alabanza.com
64.176.79.19	PTR	unassigned.alabanza.com
64.176.79.35	PTR	lapalomarestaurant.com
64.176.79.40	PTR	unassigned.alabanza.com
64.176.79.43	A+PTR	kanekula.com
64.176.79.43	A	mail.kanekula.com
64.176.79.47	A	mail.2brushes.com
64.176.79.47	A	2brushes.com
64.176.79.50	PTR	yjk.com.tw
64.176.79.53	A	mail.hangdesign.com
64.176.79.57	PTR	unassigned.alabanza.com
64.176.79.64	PTR	unassigned.alabanza.com
64.176.79.65	PTR	lamodelotv.com
64.176.79.73	PTR	unassigned.alabanza.com
64.176.79.74	PTR	sanavida.info
64.176.79.82	PTR	64-176-79-82.navisite.net
64.176.79.90	PTR	lessardbuilders.com
64.176.79.105	PTR	unassigned.alabanza.com
64.176.79.113	PTR	unassigned.alabanza.com
64.176.79.120	PTR	unassigned.alabanza.com
64.176.79.136	PTR	unassigned.alabanza.com
64.176.79.139	PTR	unassigned.alabanza.com
64.176.79.147	PTR	unassigned.alabanza.com
64.176.79.160	PTR	markmiley.com
64.176.79.169	PTR	unassigned.alabanza.com
64.176.79.170	PTR	unassigned.alabanza.com
64.176.79.172	A	mail.bothwellbaptist.org
64.176.79.173	A	mail.palmerchristmastreefarms.com
64.176.79.185	PTR	unassigned.alabanza.com
64.176.79.186	PTR	unassigned.alabanza.com
64.176.79.193	PTR	unassigned.alabanza.com
64.176.79.217	PTR	lionheart.ca
64.176.79.218	PTR	wordshopproductions.com
64.176.79.225	PTR	dannyswholehog.com
64.176.79.226	PTR	testdomain2.com
64.176.79.232	PTR	unassigned.alabanza.com
64.176.79.235	PTR	unassigned.alabanza.com
64.176.79.248	PTR	unassigned.alabanza.com