Robtex

Up: 64.226.52.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.226.52.0/24
Down right: 64.226.53.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.226.52.11	A	cardabra.com
64.226.52.11	A	mail.cardabra.com
64.226.52.12	PTR
64.226.52.45	PTR	webmail.morristownattorney.com
64.226.52.45	A	picturesstatic2.reuters.com
64.226.52.45	A	pictures.reutersmedia.net
64.226.52.50	A	dalvabrothers.com
64.226.52.50	A	mail.hwlondonartandartistsguide.com
64.226.52.50	A	maryhelenmccoy.com
64.226.52.59	PTR	mail.morristownattorney.com
64.226.52.77	A	reebokclub.net
64.226.52.77	A	reeboksportsclub.net
64.226.52.77	A	reeboksportsclubnewyork.com
64.226.52.110	PTR
64.226.52.110	A	www.iicle.com
64.226.52.110	A	iicle.com
64.226.53.12	PTR	outbound1b-a.visionfriendlymail.com
64.226.53.12	A	bestnapervillewebdesign.com
64.226.53.12	A	seospecialistchicago.com
64.226.53.43	PTR	buyforindia.com
64.226.53.45	PTR	etisbew.com
64.226.53.48	PTR	elderlawanswers.com
64.226.53.50	PTR	webmagnetics.com