Robtex

Up: 71.64.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 71.64.0.0/19
Down right: 71.64.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
71.64.0.0	A+PTR	cpe-71-64-0-0.insight.res.rr.com
71.64.0.2	A+PTR	cpe-71-64-0-2.insight.res.rr.com
71.64.0.3	A+PTR	cpe-71-64-0-3.insight.res.rr.com
71.64.0.5	A	cpe-71-64-0-5.insight.res.rr.com
71.64.0.65	A+PTR	cpe-71-64-0-65.insight.res.rr.com
71.64.0.67	A+PTR	cpe-71-64-0-67.insight.res.rr.com
71.64.0.69	A	cpe-71-64-0-69.insight.res.rr.com
71.64.0.70	A	cpe-71-64-0-70.insight.res.rr.com
71.64.0.134	A	cpe-71-64-0-134.insight.res.rr.com
71.64.0.150	A	cpe-71-64-0-150.insight.res.rr.com
71.64.0.160	A	cpe-71-64-0-160.insight.res.rr.com
71.64.0.166	A	cpe-71-64-0-166.insight.res.rr.com
71.64.0.194	A+PTR	cpe-71-64-0-194.insight.res.rr.com
71.64.0.254	A	cpe-71-64-0-254.insight.res.rr.com
71.64.1.97	A	cpe-71-64-1-97.insight.res.rr.com
71.64.2.73	A+PTR	cpe-71-64-2-73.insight.res.rr.com
71.64.2.120	PTR	cpe-71-64-2-120.insight.res.rr.com
71.64.2.198	PTR	cpe-71-64-2-198.insight.res.rr.com
71.64.3.3	A+PTR	cpe-71-64-3-3.insight.res.rr.com
71.64.3.3	A	amci-net.com
71.64.3.31	A+PTR	cpe-71-64-3-31.insight.res.rr.com
71.64.3.76	PTR	cpe-71-64-3-76.insight.res.rr.com
71.64.3.76	A	xekasplace.xekasplace.com
71.64.3.76	A	xekasplace.com
71.64.3.238	A+PTR	cpe-71-64-3-238.insight.res.rr.com
71.64.4.2	A+PTR	cpe-71-64-4-2.insight.res.rr.com
71.64.4.136	A+PTR	cpe-71-64-4-136.insight.res.rr.com
71.64.5.9	A	cpe-71-64-5-9.insight.res.rr.com
71.64.5.10	A	cpe-71-64-5-10.insight.res.rr.com
71.64.5.17	A	cpe-71-64-5-17.insight.res.rr.com
71.64.5.18	A	cpe-71-64-5-18.insight.res.rr.com
71.64.5.64	A+PTR	cpe-71-64-5-64.insight.res.rr.com
71.64.5.65	A+PTR	cpe-71-64-5-65.insight.res.rr.com
71.64.5.67	A+PTR	cpe-71-64-5-67.insight.res.rr.com
71.64.5.72	A	cpe-71-64-5-72.insight.res.rr.com
71.64.5.128	A+PTR	cpe-71-64-5-128.insight.res.rr.com
71.64.5.136	A	cpe-71-64-5-136.insight.res.rr.com
71.64.5.137	A	cpe-71-64-5-137.insight.res.rr.com
71.64.5.146	A	cpe-71-64-5-146.insight.res.rr.com
71.64.5.192	A+PTR	cpe-71-64-5-192.insight.res.rr.com
71.64.5.195	A+PTR	cpe-71-64-5-195.insight.res.rr.com
71.64.5.201	A	cpe-71-64-5-201.insight.res.rr.com
71.64.5.202	A	cpe-71-64-5-202.insight.res.rr.com
71.64.6.46	A+PTR	cpe-71-64-6-46.insight.res.rr.com
71.64.7.27	A+PTR	cpe-71-64-7-27.insight.res.rr.com
71.64.7.48	A	tomwatts.com
71.64.7.95	A	cpe-71-64-7-95.insight.res.rr.com
71.64.7.96	PTR	cpe-71-64-7-96.insight.res.rr.com
71.64.7.97	A+PTR	cpe-71-64-7-97.insight.res.rr.com
71.64.7.127	A	cpe-71-64-7-127.insight.res.rr.com
71.64.8.82	A+PTR	cpe-71-64-8-82.insight.res.rr.com
71.64.11.57	A+PTR	cpe-71-64-11-57.insight.res.rr.com
71.64.11.153	A+PTR	cpe-71-64-11-153.insight.res.rr.com
71.64.12.2	A+PTR	cpe-71-64-12-2.insight.res.rr.com
71.64.12.38	A+PTR	cpe-71-64-12-38.insight.res.rr.com
71.64.12.136	A+PTR	cpe-71-64-12-136.insight.res.rr.com
71.64.13.48	PTR	cpe-71-64-13-48.insight.res.rr.com
71.64.15.57	PTR	cpe-71-64-15-57.insight.res.rr.com
71.64.15.82	PTR	cpe-71-64-15-82.insight.res.rr.com
71.64.17.50	A+PTR	cpe-71-64-17-50.columbus.res.rr.com
71.64.17.136	A+PTR	cpe-71-64-17-136.columbus.res.rr.com
71.64.17.136	A	tommines.com
71.64.17.186	A	cpe-71-64-17-186.columbus.res.rr.com
71.64.17.209	PTR	cpe-71-64-17-209.columbus.res.rr.com
71.64.17.239	PTR	cpe-71-64-17-239.columbus.res.rr.com
71.64.19.2	PTR	cpe-71-64-19-2.columbus.res.rr.com
71.64.19.25	A+PTR	cpe-71-64-19-25.columbus.res.rr.com
71.64.19.46	PTR	cpe-71-64-19-46.columbus.res.rr.com
71.64.19.90	A+PTR	cpe-71-64-19-90.columbus.res.rr.com
71.64.19.90	A	carryingtenderangels.org
71.64.19.153	A+PTR	cpe-71-64-19-153.columbus.res.rr.com
71.64.19.157	A+PTR	cpe-71-64-19-157.columbus.res.rr.com
71.64.20.2	PTR	cpe-71-64-20-2.columbus.res.rr.com
71.64.21.78	A	browningtile.com
71.64.21.243	A	cs.wallworm.com
71.64.22.246	PTR	cpe-71-64-22-246.columbus.res.rr.com
71.64.22.246	A	cmdtech.biz
71.64.22.246	A	www.cmdtech.biz
71.64.23.188	A+PTR	cpe-71-64-23-188.columbus.res.rr.com
71.64.23.214	PTR	cpe-71-64-23-214.columbus.res.rr.com
71.64.24.2	PTR	cpe-71-64-24-2.columbus.res.rr.com
71.64.24.104	A+PTR	cpe-71-64-24-104.columbus.res.rr.com
71.64.24.152	A+PTR	cpe-71-64-24-152.columbus.res.rr.com
71.64.25.172	A	cpe-71-64-25-172.columbus.res.rr.com
71.64.25.185	A+PTR	cpe-71-64-25-185.columbus.res.rr.com
71.64.25.203	A+PTR	cpe-71-64-25-203.columbus.res.rr.com
71.64.26.52	PTR	cpe-71-64-26-52.columbus.res.rr.com
71.64.27.3	PTR	cpe-71-64-27-3.columbus.res.rr.com
71.64.27.24	A	cpe-71-64-27-24.columbus.res.rr.com
71.64.27.25	A	cpe-71-64-27-25.columbus.res.rr.com
71.64.27.57	A	cpe-71-64-27-57.columbus.res.rr.com
71.64.27.89	A	cpe-71-64-27-89.columbus.res.rr.com
71.64.27.141	A	cpe-71-64-27-141.columbus.res.rr.com
71.64.27.153	A	cpe-71-64-27-153.columbus.res.rr.com
71.64.27.154	A	cpe-71-64-27-154.columbus.res.rr.com
71.64.27.155	A	cpe-71-64-27-155.columbus.res.rr.com
71.64.29.36	A	cpe-71-64-29-36.columbus.res.rr.com
71.64.29.50	A	cpe-71-64-29-50.columbus.res.rr.com
71.64.29.151	A	cpe-71-64-29-151.columbus.res.rr.com
71.64.29.243	A	cpe-71-64-29-243.columbus.res.rr.com
71.64.30.97	A	cpe-71-64-30-97.columbus.res.rr.com
71.64.30.135	A	cpe-71-64-30-135.columbus.res.rr.com
71.64.30.203	A	cpe-71-64-30-203.columbus.res.rr.com
71.64.30.251	A	cpe-71-64-30-251.columbus.res.rr.com
71.64.31.42	A	cpe-71-64-31-42.columbus.res.rr.com
71.64.31.186	A	cpe-71-64-31-186.columbus.res.rr.com
71.64.31.188	A	cpe-71-64-31-188.columbus.res.rr.com
71.64.31.203	A	cpe-71-64-31-203.columbus.res.rr.com
71.64.51.2	PTR	mta-71-64-51-2.columbus.rr.com
71.64.51.65	PTR	mta-71-64-51-65.columbus.rr.com
71.64.53.193	PTR	mta-71-64-53-193.columbus.rr.com
71.64.53.194	PTR	mta-71-64-53-194.columbus.rr.com