Robtex

Up: 208.123.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 208.123.232.0/22
Down right: 208.123.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.123.232.1	PTR	dsl-232-1.geneseo.net
208.123.232.14	A	mail.qccomputersupport.com
208.123.232.19	PTR	dsl-232-19.geneseo.net
208.123.232.24	A+PTR	dsl-232-24.geneseo.net
208.123.232.144	A	dsl-232-144.geneseo.net
208.123.232.193	A+PTR	dsl-232-193.geneseo.net
208.123.232.222	A	dsl-232-222.geneseo.net
208.123.233.22	A	smtp.kemmisfamily.info
208.123.233.22	A	mail.kemmisfamily.info
208.123.233.22	A	kemmisfamily.us
208.123.233.111	A	dsl-233-111.geneseo.net
208.123.233.114	A	dsl-233-114.geneseo.net
208.123.233.181	A	dsl-233-181.geneseo.net
208.123.233.218	A+PTR	dsl-233-218.geneseo.net
208.123.235.185	PTR	dsl-235-185.geneseo.net
208.123.235.185	A	mail.qccomputersupport.com
208.123.235.185	A	snhlandscapes.com
208.123.235.238	A	dsl-235-238.geneseo.net
208.123.236.182	A	dsl-236-182.geneseo.net
208.123.236.229	A	dsl-236-229.geneseo.net
208.123.236.244	A	dsl-236-244.geneseo.net
208.123.237.111	A	dsl-237-111.geneseo.net
208.123.237.119	A	remote.goodshepherdgeneseo.org
208.123.237.132	A	dsl-237-132.geneseo.net
208.123.237.143	A	dsl-237-143.geneseo.net
208.123.237.226	A+PTR	dsl-237-226.geneseo.net
208.123.238.36	A	dsl-238-36.geneseo.net
208.123.238.142	A	dsl-238-142.geneseo.net
208.123.238.170	A+PTR	dsl-238-170.geneseo.net
208.123.238.251	A	dsl-238-251.geneseo.net
208.123.239.4	PTR	mail.armalite.com
208.123.239.4	A	dsl-239-4.geneseo.net
208.123.239.28	A	strohman.net
208.123.239.33	A+PTR	dsl-239-33.geneseo.net
208.123.239.73	A+PTR	dsl-239-73.geneseo.net
208.123.239.90	A+PTR	dsl-239-90.geneseo.net
208.123.239.90	A	photographicartsinc.com