Robtex

Up: 64.238.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.238.24.0/22
Down right: 64.238.28.0/22

IP	Type	Hostname
64.238.24.1	PTR	dslx-64-238-24-1.dslx.net
64.238.24.33	PTR	dslx-64-238-24-33.dslx.net
64.238.24.75	A	sirenisrivieramayahotel.com
64.238.24.133	A	spamkiller.browardhouse.org
64.238.24.136	PTR	dslx-64-238-24-136.dslx.net
64.238.24.136	A	mail.browardhouse.org
64.238.24.169	PTR	dslx-64-238-24-169.dslx.net
64.238.24.203	PTR	dslx-64-238-24-203.dslx.net
64.238.24.233	PTR	dslx-64-238-24-233.dslx.net
64.238.25.8	PTR	dslx-64-238-25-8.dslx.net
64.238.25.8	A	support.dslx.net
64.238.25.200	PTR	dslx-64-238-25-200.dslx.net
64.238.25.210	PTR	dslx-64-238-25-200.dslx.net