Robtex

Up: 72.203.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 72.203.128.0/20
Down right: 72.203.144.0/20
(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