Robtex

Up: 64.81.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.81.36.0/25
Down right: 64.81.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.81.36.98	A	dsl081-036-098.lax1.dsl.speakeasy.net
64.81.36.103	PTR	ragear.com
64.81.36.110	PTR	dsl081-036-110.lax1.dsl.speakeasy.net
64.81.36.110	A	spoer.net
64.81.36.113	A	mail.martianhosting.com
64.81.36.113	A	ns0.teamgringo.com
64.81.36.113	A	ns0.bookofpeople.com
64.81.36.165	A	mail.legacycard.com
64.81.36.165	A	legacycard.com
64.81.36.166	PTR	games.kobold.org
64.81.36.166	A	necro.org
64.81.36.166	A	mail.necro.org
64.81.36.239	PTR	ns1.pigglet.com
64.81.36.244	PTR	kobold.org