Robtex

Up: 72.198.132.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.198.133.0/25
Down right: 72.198.133.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.198.133.27	A	citrix.rossgraden.com
72.198.133.32	PTR	wsip-72-198-133-32.lf.br.cox.net
72.198.133.249	A+PTR	wsip-72-198-133-249.lf.br.cox.net
72.198.133.249	A	zimbra.vowellandsons.com
72.198.133.249	A	mail.vowellandsons.com
72.198.133.252	PTR	wsip-72-198-133-252.lf.br.cox.net
72.198.133.252	A	spamhost1.radersolutions.com
72.198.133.252	A	mailgw.raderhosting.com