Robtex

Up: 23.28.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.28.120.0/23
Down right: 23.28.122.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.28.120.248	A+PTR	d28-23-248-120.dim.wideopenwest.com
23.28.120.248	A	whydateandy.com
23.28.121.19	PTR	d28-23-19-121.dim.wideopenwest.com
23.28.121.19	A	landofthedeadmatchmaking.com
23.28.121.19	A	www.ericblade.us
23.28.121.36	A+PTR	d28-23-36-121.dim.wideopenwest.com
23.28.121.36	A	witter.us
23.28.121.42	A+PTR	d28-23-42-121.dim.wideopenwest.com
23.28.121.42	A	hawkshaws.com
23.28.121.155	A+PTR	d28-23-155-121.dim.wideopenwest.com
23.28.121.155	A	arcticstorms.com
23.28.121.238	PTR	d28-23-238-121.dim.wideopenwest.com
23.28.122.192	A+PTR	d28-23-192-122.dim.wideopenwest.com
23.28.122.192	A	yellowtreeit.com
23.28.123.34	PTR	d28-23-34-123.dim.wideopenwest.com
23.28.123.38	A+PTR	d28-23-38-123.dim.wideopenwest.com
23.28.123.216	A+PTR	d28-23-216-123.dim.wideopenwest.com