Robtex

Up: 64.185.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.185.238.0/25
Down right: 64.185.238.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.185.238.5	PTR	64-185-238-5.static.webnx.com
64.185.238.17	PTR	64-185-238-17.static.webnx.com
64.185.238.20	PTR	64-185-238-20.static.webnx.com
64.185.238.21	A	ns2.bullsi.net
64.185.238.44	PTR	64-185-238-44.static.webnx.com
64.185.238.46	PTR	64-185-238-46.static.webnx.com
64.185.238.46	A	mail.gloatfire.com
64.185.238.46	A	mail.rickety.us
64.185.238.68	A	www.zx4.com
64.185.238.68	A	zx4datacenters.com
64.185.238.68	A	zx4servers.com
64.185.238.73	A	mail.fgeusa.com
64.185.238.73	A	mail.metropropertytax.com
64.185.238.73	A	latinoaids.com