Robtex

Up: 64.140.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.140.104.0/22
Down right: 64.140.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.140.104.18	PTR	mail.hyp.biz
64.140.104.18	PTR	mail.bluecondos.com
64.140.104.18	PTR	mail.hypdev.com
64.140.104.35	PTR	static.user35.64.140.104.dsli.com
64.140.105.12	PTR	mail.natlcom.com
64.140.105.18	PTR	mail.natlcom.com
64.140.105.19	PTR	mail.natlcom.com
64.140.105.20	PTR	mail.natlcom.com
64.140.105.21	PTR	mail.natlcom.com
64.140.105.114	A	mail.exhcg.com
64.140.105.194	PTR	mail.1stuf.com
64.140.105.194	A	mail.unitedrealtygroup.com
64.140.105.194	A	unitedrealtygroup.com
64.140.105.226	A	platinumfinance.net
64.140.105.226	A	carpayonline.net
64.140.105.227	A	carpayonline.com
64.140.106.3	PTR	laborhelp.net
64.140.108.50	A	remote.delavegamorgade.com
64.140.108.50	A	mail2.delavegamorgade.com
64.140.108.147	A+PTR	mail.rptgfla.com
64.140.108.147	A	rptgfla.com
64.140.108.147	A	mail.arcfla.com
64.140.109.2	A+PTR	mx.lan-support.net
64.140.109.68	A	www.atlascomplete.com