Robtex

Up: 64.81.164.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.81.164.0/25
Down right: 64.81.164.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.81.164.4	A	mag-gw-out.arenasports.net
64.81.164.14	PTR	dicky.violato.net
64.81.164.15	PTR	christy.violato.net
64.81.164.121	PTR	mail.icaer.org
64.81.164.130	A	seattle.gangsterz.net
64.81.164.141	A+PTR	f.sadler.org
64.81.164.153	PTR	dsl081-164-153.sea1.dsl.speakeasy.net
64.81.164.153	A	playwrightsmuse.org
64.81.164.153	A	mail-1.wonderworks.com
64.81.164.160	A+PTR	cowo.ganteng.net
64.81.164.185	A+PTR	sadler.org
64.81.164.254	A+PTR	dsl081-164-254.sea1.dsl.speakeasy.net
64.81.164.254	A	awgardens.com
64.81.164.254	A	notoriouspeons.com