Robtex

Up: 64.81.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.81.241.0/25
Down right: 64.81.241.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.81.241.6	PTR	comfychair.org
64.81.241.10	PTR	dsl081-241-010.sfo1.dsl.speakeasy.net
64.81.241.28	PTR	dsl081-241-028.sfo1.dsl.speakeasy.net
64.81.241.28	A	ns1.par64.org
64.81.241.34	PTR	mail.sfnet.com
64.81.241.38	PTR	mail.sfnet.com
64.81.241.56	PTR	segw.microprecisionautomation.com
64.81.241.112	A	awhalesball.com
64.81.241.146	A+PTR	dsl081-241-146.sfo1.dsl.speakeasy.net
64.81.241.146	A	4ml.org
64.81.241.159	PTR	dsl081-241-159.sfo1.dsl.speakeasy.net
64.81.241.165	PTR	wibblers.org
64.81.241.175	PTR	dsl081-241-175.sfo1.dsl.speakeasy.net
64.81.241.175	A	ironrobot.com
64.81.241.177	A+PTR	dsl081-241-177.sfo1.dsl.speakeasy.net
64.81.241.177	A	elan.com.tw
64.81.241.180	PTR	dsl081-241-180.sfo1.dsl.speakeasy.net
64.81.241.180	A	paradox.4ml.org
64.81.241.189	A+PTR	dsl081-241-189.sfo1.dsl.speakeasy.net
64.81.241.189	A	srv.constructionplans.org
64.81.241.217	PTR	aramaki.nerdleague.com
64.81.241.233	PTR	ns1.echoecho.net
64.81.241.233	A	smtp.sierrasteeltrading.com
64.81.241.233	A	baycityoffice.com