Robtex

Up: 64.140.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.140.40.0/22
Down right: 64.140.44.0/22

IP	Type	Hostname
64.140.40.132	PTR	aspen.amswtitle.com
64.140.40.132	A	aspen.coloradoprestige.com
64.140.40.146	PTR	ns1.neoglobalit.com
64.140.40.147	PTR	ns2.neoglobalit.com
64.140.40.194	PTR	ns1.terapath.com
64.140.40.195	PTR	ns2.terapath.com
64.140.40.251	PTR	64-140-40-251.pblawpc.com
64.140.41.24	PTR	mail.integritytransitions.com
64.140.43.67	PTR	ns1.covisp.net
64.140.43.68	PTR	ns2.covisp.net
64.140.43.90	PTR	othersteve.itsamac.com
64.140.43.93	A	mind2market.com
64.140.44.131	PTR	www.eclipse-micro.com
64.140.44.227	PTR	mail.imaginenation.us
64.140.44.227	A	mail.imaginationbooks.info
64.140.45.10	PTR	smtp.latis.com
64.140.47.119	A	mail.arapahoephil.org
64.140.47.227	PTR	allaminv.com