Robtex

Up: 50.4.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 50.4.144.0/23
Down right: 50.4.146.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
50.4.144.6	A+PTR	d4-50-6-144.col.wideopenwest.com
50.4.144.9	PTR	d4-50-9-144.col.wideopenwest.com
50.4.144.62	A	colo28.jkurtzman.com
50.4.145.4	PTR	d4-50-4-145.col.wideopenwest.com
50.4.145.11	PTR	d4-50-11-145.col.wideopenwest.com
50.4.145.241	A+PTR	d4-50-241-145.col.wideopenwest.com
50.4.146.11	PTR	d4-50-11-146.col.wideopenwest.com
50.4.146.56	PTR	d4-50-56-146.col.wideopenwest.com
50.4.146.59	PTR	d4-50-59-146.col.wideopenwest.com
50.4.146.90	A	d4-50-90-146.col.wideopenwest.com
50.4.146.120	A+PTR	d4-50-120-146.col.wideopenwest.com
50.4.146.129	A+PTR	d4-50-129-146.col.wideopenwest.com
50.4.146.129	A	channingandtucker.com
50.4.146.187	PTR	d4-50-187-146.col.wideopenwest.com
50.4.146.187	A	mythtvbox.com
50.4.146.232	A+PTR	d4-50-232-146.col.wideopenwest.com
50.4.147.46	PTR	d4-50-46-147.col.wideopenwest.com
50.4.147.51	PTR	d4-50-51-147.col.wideopenwest.com
50.4.147.80	PTR	d4-50-80-147.col.wideopenwest.com
50.4.147.93	PTR	d4-50-93-147.col.wideopenwest.com
50.4.147.146	A	www.shiningforcestation.com
50.4.147.146	A	mail.utopple.com
50.4.147.146	A	sapphiremirror.com
50.4.147.213	PTR	d4-50-213-147.col.wideopenwest.com