Robtex

Up: 64.32.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.32.164.0/23
Down right: 64.32.166.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.32.164.1	A+PTR	ip-64-32-164-1.dsl.lax.megapath.net
64.32.164.35	A+PTR	www.wellmaxcpa.com
64.32.164.35	A	wellmaxcpa.com
64.32.164.37	A+PTR	www.yfchou.com
64.32.164.37	A	yfchou.com
64.32.164.37	A	*.yfchou.com
64.32.164.43	PTR	mail.osmb.bz
64.32.164.43	PTR	mail.acdragon.com
64.32.164.43	PTR	mail.convexoptical.com
64.32.164.131	PTR	mail.eastlioncorp.com
64.32.164.218	PTR	mail.mintlifestyle.com
64.32.164.218	A	mail.mintmarketplace.com
64.32.164.226	A+PTR	ip-64-32-164-226.dsl.lax.megapath.net
64.32.165.17	A	ip-64-32-165-17.dsl.lax.megapath.net
64.32.165.18	A	ip-64-32-165-18.dsl.lax.megapath.net
64.32.165.36	A+PTR	mail.statefish.com
64.32.165.50	A	ip-64-32-165-50.dsl.lax.megapath.net
64.32.165.179	PTR	ip-64-32-165-179.dsl.lax.megapath.net
64.32.165.179	A	corddata.com
64.32.165.179	A	cord-pager.com
64.32.165.181	A	corrosion-monitoring.org
64.32.166.2	A+PTR	ns1.ecartsoft.com
64.32.166.3	A+PTR	ns2.ecartsoft.com
64.32.166.4	A	mail.sacredfunds.com
64.32.166.4	A	mail.ecartsoft.com
64.32.166.4	A	mail.parishionersapp.com
64.32.166.9	A	parishionersapp.com
64.32.166.9	A	sacredfunds.com
64.32.166.9	A	webhelper.chat
64.32.166.10	PTR	www.ecartsoft.com
64.32.166.10	A	ip-64-32-166-126.ecartsoft.com
64.32.166.14	A	ip-64-32-166-227.ecartsoft.com
64.32.166.14	A	ip-64-32-166-13.ecartsoft.com
64.32.166.50	A	mail.ecartsoft.com
64.32.166.50	A	mail.affiliatehunter.com
64.32.166.254	A	smtpout.sacredfunds.com
64.32.166.254	A	smtpout.ecartsoft.com
64.32.167.33	A	ip-64-32-167-33.dsl.lax.megapath.net
64.32.167.41	A	ip-64-32-167-41.dsl.lax.megapath.net
64.32.167.51	A+PTR	mail.lidoapartments.com
64.32.167.76	A	ip-64-32-167-76.dsl.lax.megapath.net
64.32.167.92	A	ip-64-32-167-92.dsl.lax.megapath.net
64.32.167.226	A+PTR	exchange.empowerrf.com