Robtex

Up: 72.160.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.160.40.0/22
Down right: 72.160.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.160.41.2	A+PTR	72-160-41-2.dyn.centurytel.net
72.160.41.3	A+PTR	72-160-41-3.dyn.centurytel.net
72.160.41.20	A	72-160-41-20.dyn.centurytel.net
72.160.41.28	A	72-160-41-28.dyn.centurytel.net
72.160.41.29	A	72-160-41-29.dyn.centurytel.net
72.160.41.59	A+PTR	72-160-41-59.dyn.centurytel.net
72.160.41.61	A	72-160-41-61.dyn.centurytel.net
72.160.41.63	A	72-160-41-63.dyn.centurytel.net
72.160.41.68	A	72-160-41-68.dyn.centurytel.net
72.160.41.87	A	72-160-41-87.dyn.centurytel.net
72.160.41.97	A+PTR	72-160-41-97.dyn.centurytel.net
72.160.41.112	A+PTR	72-160-41-112.dyn.centurytel.net
72.160.41.116	A	72-160-41-116.dyn.centurytel.net
72.160.41.117	A	72-160-41-117.dyn.centurytel.net
72.160.41.153	A+PTR	72-160-41-153.dyn.centurytel.net
72.160.41.158	A	72-160-41-158.dyn.centurytel.net
72.160.41.160	A+PTR	72-160-41-160.dyn.centurytel.net
72.160.41.161	A+PTR	72-160-41-161.dyn.centurytel.net
72.160.41.168	A+PTR	72-160-41-168.dyn.centurytel.net
72.160.41.170	PTR	72-160-41-170.dyn.centurytel.net
72.160.41.213	A	72-160-41-213.dyn.centurytel.net
72.160.41.231	A	72-160-41-231.dyn.centurytel.net
72.160.42.4	A	72-160-42-4.dyn.centurytel.net
72.160.42.7	A	72-160-42-7.dyn.centurytel.net
72.160.42.10	A+PTR	72-160-42-10.dyn.centurytel.net
72.160.42.59	A+PTR	72-160-42-59.dyn.centurytel.net
72.160.42.68	A	72-160-42-68.dyn.centurytel.net
72.160.42.75	A+PTR	72-160-42-75.dyn.centurytel.net
72.160.42.85	A	72-160-42-85.dyn.centurytel.net
72.160.42.87	A	72-160-42-87.dyn.centurytel.net
72.160.42.100	A	72-160-42-100.dyn.centurytel.net
72.160.42.119	A	72-160-42-119.dyn.centurytel.net
72.160.42.136	A+PTR	72-160-42-136.dyn.centurytel.net
72.160.42.138	A+PTR	72-160-42-138.dyn.centurytel.net
72.160.42.146	A+PTR	72-160-42-146.dyn.centurytel.net
72.160.42.165	A	72-160-42-165.dyn.centurytel.net
72.160.42.200	A+PTR	72-160-42-200.dyn.centurytel.net
72.160.42.207	A	72-160-42-207.dyn.centurytel.net
72.160.42.212	A	72-160-42-212.dyn.centurytel.net
72.160.42.217	A+PTR	72-160-42-217.dyn.centurytel.net
72.160.42.218	A+PTR	72-160-42-218.dyn.centurytel.net
72.160.42.227	A+PTR	72-160-42-227.dyn.centurytel.net
72.160.42.232	A+PTR	72-160-42-232.dyn.centurytel.net
72.160.42.241	A+PTR	72-160-42-241.dyn.centurytel.net
72.160.43.135	A	72-160-43-135.dyn.centurytel.net
72.160.43.229	A	72-160-43-229.dyn.centurytel.net
72.160.44.18	A+PTR	72-160-44-18.dyn.centurytel.net
72.160.44.21	A	72-160-44-21.dyn.centurytel.net
72.160.44.23	A	72-160-44-23.dyn.centurytel.net
72.160.44.32	A+PTR	72-160-44-32.dyn.centurytel.net
72.160.44.44	A	72-160-44-44.dyn.centurytel.net
72.160.44.45	A	72-160-44-45.dyn.centurytel.net
72.160.44.47	A	72-160-44-47.dyn.centurytel.net
72.160.44.53	A	72-160-44-53.dyn.centurytel.net
72.160.44.62	A	72-160-44-62.dyn.centurytel.net
72.160.44.71	A	72-160-44-71.dyn.centurytel.net
72.160.44.77	A	72-160-44-77.dyn.centurytel.net
72.160.44.84	A	72-160-44-84.dyn.centurytel.net
72.160.44.95	A	72-160-44-95.dyn.centurytel.net
72.160.44.97	A+PTR	72-160-44-97.dyn.centurytel.net
72.160.44.99	A+PTR	72-160-44-99.dyn.centurytel.net
72.160.44.118	A	72-160-44-118.dyn.centurytel.net
72.160.44.145	A+PTR	72-160-44-145.dyn.centurytel.net
72.160.44.156	A	72-160-44-156.dyn.centurytel.net
72.160.44.160	A+PTR	72-160-44-160.dyn.centurytel.net
72.160.44.166	A	72-160-44-166.dyn.centurytel.net
72.160.44.167	A	72-160-44-167.dyn.centurytel.net
72.160.44.189	A	72-160-44-189.dyn.centurytel.net
72.160.44.203	A	storyboarddesigner.com
72.160.44.203	A	storyboardguide.com
72.160.44.203	A	storyboardrecorder.com
72.160.44.211	PTR	72-160-44-211.dyn.centurytel.net
72.160.44.237	A	72-160-44-237.dyn.centurytel.net
72.160.44.238	A	72-160-44-238.dyn.centurytel.net
72.160.44.240	A+PTR	72-160-44-240.dyn.centurytel.net
72.160.44.248	A+PTR	72-160-44-248.dyn.centurytel.net
72.160.44.252	A	72-160-44-252.dyn.centurytel.net
72.160.45.1	A+PTR	72-160-45-1.dyn.centurytel.net
72.160.45.14	A	72-160-45-14.dyn.centurytel.net
72.160.45.18	A+PTR	72-160-45-18.dyn.centurytel.net
72.160.45.44	A	72-160-45-44.dyn.centurytel.net
72.160.45.51	A+PTR	72-160-45-51.dyn.centurytel.net
72.160.45.112	A+PTR	72-160-45-112.dyn.centurytel.net
72.160.45.122	A+PTR	72-160-45-122.dyn.centurytel.net
72.160.45.141	A	72-160-45-141.dyn.centurytel.net
72.160.45.144	A+PTR	72-160-45-144.dyn.centurytel.net
72.160.45.163	A+PTR	72-160-45-163.dyn.centurytel.net
72.160.45.190	A	72-160-45-190.dyn.centurytel.net
72.160.45.194	A+PTR	72-160-45-194.dyn.centurytel.net
72.160.45.208	A	72-160-45-208.dyn.centurytel.net
72.160.45.213	A	72-160-45-213.dyn.centurytel.net
72.160.45.223	A	72-160-45-223.dyn.centurytel.net
72.160.45.225	A+PTR	72-160-45-225.dyn.centurytel.net
72.160.45.229	A	72-160-45-229.dyn.centurytel.net
72.160.45.242	A+PTR	72-160-45-242.dyn.centurytel.net
72.160.45.248	A+PTR	72-160-45-248.dyn.centurytel.net
72.160.45.251	A+PTR	72-160-45-251.dyn.centurytel.net
72.160.46.1	A+PTR	72-160-46-1.dyn.centurytel.net
72.160.46.9	A+PTR	72-160-46-9.dyn.centurytel.net
72.160.46.21	A	72-160-46-21.dyn.centurytel.net
72.160.46.27	PTR	72-160-46-27.dyn.centurytel.net
72.160.46.28	A	72-160-46-28.dyn.centurytel.net
72.160.46.30	A	72-160-46-30.dyn.centurytel.net
72.160.46.59	A	72-160-46-59.dyn.centurytel.net
72.160.46.72	A+PTR	72-160-46-72.dyn.centurytel.net
72.160.46.73	A+PTR	72-160-46-73.dyn.centurytel.net
72.160.46.84	A	72-160-46-84.dyn.centurytel.net
72.160.46.92	A	72-160-46-92.dyn.centurytel.net
72.160.46.94	A	72-160-46-94.dyn.centurytel.net
72.160.46.98	A+PTR	72-160-46-98.dyn.centurytel.net
72.160.46.99	PTR	72-160-46-99.dyn.centurytel.net
72.160.46.161	A	72-160-46-161.dyn.centurytel.net
72.160.46.170	A+PTR	72-160-46-170.dyn.centurytel.net
72.160.46.175	A	72-160-46-175.dyn.centurytel.net
72.160.46.199	A	72-160-46-199.dyn.centurytel.net
72.160.46.204	A	72-160-46-204.dyn.centurytel.net
72.160.46.215	A	72-160-46-215.dyn.centurytel.net
72.160.46.216	A+PTR	72-160-46-216.dyn.centurytel.net
72.160.46.245	A	72-160-46-245.dyn.centurytel.net
72.160.46.246	A	72-160-46-246.dyn.centurytel.net
72.160.47.221	A	72-160-47-221.dyn.centurytel.net