Robtex

Up: 204.210.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 204.210.224.0/21
Down right: 204.210.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.210.224.120	A+PTR	cpe-204-210-224-120.columbus.res.rr.com
204.210.224.159	A	cpe-204-210-224-159.columbus.res.rr.com
204.210.225.58	A+PTR	cpe-204-210-225-58.columbus.res.rr.com
204.210.225.177	A+PTR	cpe-204-210-225-177.columbus.res.rr.com
204.210.225.223	PTR	204-210-225-223.res.spectrum.com
204.210.225.223	A	cpe-204-210-225-223.columbus.res.rr.com
204.210.226.3	A	cpe-204-210-226-3.columbus.res.rr.com
204.210.226.27	A	superzed.com
204.210.226.146	PTR	cpe-204-210-226-146.columbus.res.rr.com
204.210.226.146	A	vaioserver.com
204.210.227.114	A+PTR	cpe-204-210-227-114.columbus.res.rr.com
204.210.228.20	PTR	cpe-204-210-228-20.columbus.res.rr.com
204.210.229.158	A	cpe-204-210-229-158.columbus.res.rr.com
204.210.229.161	A	peersight.net
204.210.230.167	A+PTR	cpe-204-210-230-167.columbus.res.rr.com
204.210.231.106	A	webserver.ddns01.com
204.210.232.35	PTR	204-210-232-035.res.spectrum.com
204.210.232.35	A	cpe-204-210-232-35.columbus.res.rr.com
204.210.232.44	A+PTR	cpe-204-210-232-44.columbus.res.rr.com
204.210.232.207	PTR	204-210-232-207.res.spectrum.com
204.210.232.207	A	cpe-204-210-232-207.columbus.res.rr.com
204.210.232.239	PTR	cpe-204-210-232-239.columbus.res.rr.com
204.210.232.239	A	codeiq.net
204.210.233.62	A	remote.aar0n.org
204.210.233.120	A	dreamallday.dyndns.org
204.210.233.120	A	disabled.raenell.com
204.210.233.120	A	raenell.com
204.210.233.234	PTR	204-210-233-234.res.spectrum.com
204.210.233.234	A	cpe-204-210-233-234.columbus.res.rr.com
204.210.234.96	A+PTR	cpe-204-210-234-96.columbus.res.rr.com
204.210.234.151	A+PTR	cpe-204-210-234-151.columbus.res.rr.com
204.210.234.218	A	finnegansbrew.com
204.210.235.10	A	cpe-204-210-235-10.columbus.res.rr.com
204.210.235.21	A	cpe-204-210-235-21.columbus.res.rr.com
204.210.235.25	A	cpe-204-210-235-25.columbus.res.rr.com
204.210.235.28	A	cpe-204-210-235-28.columbus.res.rr.com
204.210.235.50	A+PTR	cpe-204-210-235-50.columbus.res.rr.com
204.210.235.66	A+PTR	cpe-204-210-235-66.columbus.res.rr.com
204.210.235.67	A+PTR	cpe-204-210-235-67.columbus.res.rr.com
204.210.235.69	A	cpe-204-210-235-69.columbus.res.rr.com
204.210.235.72	A	cpe-204-210-235-72.columbus.res.rr.com
204.210.235.81	PTR	204-210-235-081.res.spectrum.com
204.210.235.81	A	cpe-204-210-235-81.columbus.res.rr.com
204.210.235.86	A	cpe-204-210-235-86.columbus.res.rr.com
204.210.235.88	A	cpe-204-210-235-88.columbus.res.rr.com
204.210.235.89	A	cpe-204-210-235-89.columbus.res.rr.com
204.210.235.97	A+PTR	cpe-204-210-235-97.columbus.res.rr.com
204.210.235.98	A+PTR	cpe-204-210-235-98.columbus.res.rr.com
204.210.235.100	A	cpe-204-210-235-100.columbus.res.rr.com
204.210.235.102	A	cpe-204-210-235-102.columbus.res.rr.com
204.210.235.113	A+PTR	cpe-204-210-235-113.columbus.res.rr.com
204.210.235.116	A	cpe-204-210-235-116.columbus.res.rr.com
204.210.235.118	A	cpe-204-210-235-118.columbus.res.rr.com
204.210.235.121	A	cpe-204-210-235-121.columbus.res.rr.com
204.210.235.129	A+PTR	cpe-204-210-235-129.columbus.res.rr.com
204.210.235.131	PTR	204-210-235-131.res.spectrum.com
204.210.235.131	A	cpe-204-210-235-131.columbus.res.rr.com
204.210.235.133	A	cpe-204-210-235-133.columbus.res.rr.com
204.210.235.136	A	cpe-204-210-235-136.columbus.res.rr.com
204.210.235.149	A	cpe-204-210-235-149.columbus.res.rr.com
204.210.235.151	A	cpe-204-210-235-151.columbus.res.rr.com
204.210.235.153	A	cpe-204-210-235-153.columbus.res.rr.com
204.210.235.154	A	cpe-204-210-235-154.columbus.res.rr.com
204.210.235.165	A	cpe-204-210-235-165.columbus.res.rr.com
204.210.235.172	A	cpe-204-210-235-172.columbus.res.rr.com
204.210.235.176	A+PTR	cpe-204-210-235-176.columbus.res.rr.com
204.210.235.179	A+PTR	cpe-204-210-235-179.columbus.res.rr.com
204.210.235.180	A	cpe-204-210-235-180.columbus.res.rr.com
204.210.235.184	A	cpe-204-210-235-184.columbus.res.rr.com
204.210.235.192	A+PTR	cpe-204-210-235-192.columbus.res.rr.com
204.210.235.194	A	cpe-204-210-235-194.columbus.res.rr.com
204.210.235.196	A	cpe-204-210-235-196.columbus.res.rr.com
204.210.235.201	A	cpe-204-210-235-201.columbus.res.rr.com
204.210.235.210	A+PTR	cpe-204-210-235-210.columbus.res.rr.com
204.210.235.213	A	cpe-204-210-235-213.columbus.res.rr.com
204.210.235.214	A	cpe-204-210-235-214.columbus.res.rr.com
204.210.235.219	A	cpe-204-210-235-219.columbus.res.rr.com
204.210.235.229	A	cpe-204-210-235-229.columbus.res.rr.com
204.210.235.234	A	cpe-204-210-235-234.columbus.res.rr.com
204.210.235.237	A	cpe-204-210-235-237.columbus.res.rr.com
204.210.235.252	A	cpe-204-210-235-252.columbus.res.rr.com
204.210.236.235	A+PTR	cpe-204-210-236-235.columbus.res.rr.com
204.210.237.121	A+PTR	cpe-204-210-237-121.columbus.res.rr.com
204.210.238.170	A+PTR	cpe-204-210-238-170.columbus.res.rr.com
204.210.238.184	A	mail.pupcostudios.com
204.210.239.50	A+PTR	cpe-204-210-239-50.columbus.res.rr.com
204.210.239.50	A	mail.nhfcloud.com
204.210.239.50	A	nhfcloud.com
204.210.239.134	A+PTR	204-210-239-134.res.spectrum.com
204.210.239.134	A	mail.pupcostudios.com
204.210.239.134	A	ns2.userveit.com