Robtex

Up: 72.203.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 72.203.128.0/19
Down right: 72.203.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.203.129.94	A+PTR	ip72-203-129-94.br.br.cox.net
72.203.129.94	A	tatman.dyndns.org
72.203.130.111	A+PTR	ip72-203-130-111.br.br.cox.net
72.203.130.165	A	ip72-203-130-165.br.br.cox.net
72.203.130.182	A+PTR	ip72-203-130-182.br.br.cox.net
72.203.130.182	A	tymanthius.net
72.203.130.192	A	ip72-203-130-192.br.br.cox.net
72.203.130.195	A+PTR	ip72-203-130-195.br.br.cox.net
72.203.130.195	A	gracebbc.dyndns.org
72.203.130.231	A	ip72-203-130-231.br.br.cox.net
72.203.131.159	A+PTR	ip72-203-131-159.br.br.cox.net
72.203.132.39	A+PTR	ip72-203-132-39.br.br.cox.net
72.203.132.222	A+PTR	ip72-203-132-222.br.br.cox.net
72.203.133.150	A+PTR	ip72-203-133-150.br.br.cox.net
72.203.133.150	A	mail.rgaudette.net
72.203.138.108	A	deathstar.host
72.203.138.202	A+PTR	ip72-203-138-202.br.br.cox.net
72.203.138.217	A+PTR	ip72-203-138-217.br.br.cox.net
72.203.143.28	A+PTR	ip72-203-143-28.br.br.cox.net
72.203.144.117	A	brt-associates.com
72.203.145.37	A+PTR	ip72-203-145-37.br.br.cox.net
72.203.146.27	A	ip72-203-146-27.br.br.cox.net
72.203.146.196	A	ip72-203-146-196.br.br.cox.net
72.203.146.237	A+PTR	ip72-203-146-237.br.br.cox.net
72.203.148.95	A+PTR	ip72-203-148-95.br.br.cox.net
72.203.148.139	A+PTR	ip72-203-148-139.br.br.cox.net
72.203.148.149	A+PTR	ip72-203-148-149.br.br.cox.net
72.203.148.149	A	server.bryanstamey.com
72.203.148.183	PTR	ip72-203-148-183.br.br.cox.net
72.203.150.18	A+PTR	ip72-203-150-18.br.br.cox.net
72.203.150.148	A+PTR	ip72-203-150-148.br.br.cox.net
72.203.150.148	A	rhogorn.com
72.203.150.148	A	bluecircuits.com
72.203.152.239	A+PTR	ip72-203-152-239.br.br.cox.net
72.203.155.65	A+PTR	ip72-203-155-65.br.br.cox.net
72.203.159.99	A+PTR	ip72-203-159-99.br.br.cox.net
72.203.162.16	A+PTR	ip72-203-162-16.pn.at.cox.net
72.203.164.13	A	ip72-203-164-13.pn.at.cox.net
72.203.164.23	A	ip72-203-164-23.pn.at.cox.net
72.203.164.24	A	ip72-203-164-24.pn.at.cox.net
72.203.164.32	A	ip72-203-164-32.pn.at.cox.net
72.203.164.80	A	ip72-203-164-80.pn.at.cox.net
72.203.164.84	A	ip72-203-164-84.pn.at.cox.net
72.203.164.93	A	ip72-203-164-93.pn.at.cox.net
72.203.164.109	A	ip72-203-164-109.pn.at.cox.net
72.203.164.128	A+PTR	ip72-203-164-128.pn.at.cox.net
72.203.164.131	A+PTR	ip72-203-164-131.pn.at.cox.net
72.203.164.155	A	ip72-203-164-155.pn.at.cox.net
72.203.164.160	A	ip72-203-164-160.pn.at.cox.net
72.203.164.193	A+PTR	ip72-203-164-193.pn.at.cox.net
72.203.164.203	A	ip72-203-164-203.pn.at.cox.net
72.203.164.206	A	ip72-203-164-206.pn.at.cox.net
72.203.164.228	A	ip72-203-164-228.pn.at.cox.net
72.203.165.237	A+PTR	ip72-203-165-237.pn.at.cox.net
72.203.168.233	A+PTR	ip72-203-168-233.pn.at.cox.net
72.203.169.107	PTR	ip72-203-169-107.pn.at.cox.net
72.203.169.174	A+PTR	ip72-203-169-174.pn.at.cox.net
72.203.170.199	A+PTR	ip72-203-170-199.pn.at.cox.net
72.203.170.243	A+PTR	ip72-203-170-243.pn.at.cox.net
72.203.170.243	A	2dye4.port0.org
72.203.172.53	A+PTR	ip72-203-172-53.pn.at.cox.net
72.203.173.117	A+PTR	ip72-203-173-117.pn.at.cox.net
72.203.174.137	A+PTR	ip72-203-174-137.pn.at.cox.net
72.203.174.169	A+PTR	ip72-203-174-169.pn.at.cox.net
72.203.175.237	A+PTR	ip72-203-175-237.pn.at.cox.net
72.203.185.3	A+PTR	ip72-203-185-3.tu.ok.cox.net
72.203.185.3	A	zegnaaston.com
72.203.185.91	A+PTR	ip72-203-185-91.tu.ok.cox.net