Robtex

Up: 186.227.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 186.227.232.0/22
Down right: 186.227.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.227.232.10	A	webmail.crmvrs.gov.br
186.227.234.130	PTR	smtp.incoterm.com.br
186.227.234.130	A	ns2.incoterm.com.br
186.227.234.130	A	mail3.incoterm.com.br
186.227.234.131	PTR	smtp2.incoterm.com.br
186.227.234.133	A	webmail.incoterm.com.br
186.227.239.90	A	webmail.bginfo.com.br
186.227.239.218	A	mail.versant.com.br
186.227.239.229	A	py3cej.homeip.net
186.227.239.250	A	ns3.moinhoestrela.com.br
186.227.239.254	A+PTR	ns2.moinhoestrela.com.br