Robtex

Up: 200.225.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 200.225.48.0/22
Down right: 200.225.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.225.51.1	PTR	www.dannemann.com.br
200.225.51.1	A	dannemann.info
200.225.51.1	A	dannemann.biz
200.225.51.5	PTR	5-51-225-200.centroin.net
200.225.51.6	PTR	ns.dannemann.com.br
200.225.51.8	PTR	8-51-225-200.centroin.net