Robtex

Up: 71.65.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 71.65.64.0/21
Down right: 71.65.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
71.65.65.61	A+PTR	cpe-71-65-65-61.cinci.res.rr.com
71.65.66.0	A+PTR	cpe-71-65-66-0.cinci.res.rr.com
71.65.66.172	PTR	cpe-71-65-66-172.cinci.res.rr.com
71.65.66.238	A+PTR	cpe-71-65-66-238.cinci.res.rr.com
71.65.67.141	A+PTR	cpe-71-65-67-141.cinci.res.rr.com
71.65.67.174	A+PTR	cpe-71-65-67-174.cinci.res.rr.com
71.65.67.174	A	habitatrevamped.com
71.65.68.39	PTR	cpe-71-65-68-39.cinci.res.rr.com
71.65.68.39	A	www.theglowpro.com
71.65.68.39	A	mail.pmicincinnati.com
71.65.68.114	A+PTR	cpe-71-65-68-114.cinci.res.rr.com
71.65.68.224	A+PTR	cpe-71-65-68-224.cinci.res.rr.com
71.65.70.44	A+PTR	cpe-71-65-70-44.cinci.res.rr.com
71.65.70.158	A+PTR	cpe-71-65-70-158.cinci.res.rr.com
71.65.70.186	PTR	cpe-71-65-70-186.cinci.res.rr.com
71.65.70.186	A	hamcoarpsc.org
71.65.70.189	A+PTR	cpe-71-65-70-189.cinci.res.rr.com
71.65.71.66	PTR	cpe-71-65-71-66.cinci.res.rr.com
71.65.71.142	A+PTR	cpe-71-65-71-142.cinci.res.rr.com
71.65.71.145	PTR	cpe-71-65-71-145.cinci.res.rr.com
71.65.72.32	A+PTR	cpe-71-65-72-32.cinci.res.rr.com
71.65.72.32	A	bcbdd.noip.us
71.65.73.33	A+PTR	cpe-71-65-73-33.cinci.res.rr.com
71.65.75.25	A+PTR	cpe-71-65-75-25.cinci.res.rr.com
71.65.75.157	A+PTR	cpe-71-65-75-157.cinci.res.rr.com
71.65.75.227	A+PTR	cpe-71-65-75-227.cinci.res.rr.com
71.65.76.187	A+PTR	cpe-71-65-76-187.cinci.res.rr.com
71.65.77.125	A+PTR	cpe-71-65-77-125.cinci.res.rr.com
71.65.77.125	A	mail.helmespc.net
71.65.78.174	A+PTR	cpe-71-65-78-174.cinci.res.rr.com
71.65.79.69	A+PTR	cpe-71-65-79-69.cinci.res.rr.com