Robtex

Up: 186.233.142.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 186.233.143.0/25
Down right: 186.233.143.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.233.143.2	A+PTR	ns4.credipar.com.br
186.233.143.3	A+PTR	ns5.credipar.com.br
186.233.143.3	A+PTR	sagatnew.credipar.com.br
186.233.143.6	A+PTR	balrog.credipar.com.br
186.233.143.6	A	credipar.com.br
186.233.143.6	A	ns.credipar.com.br