Robtex

Up: 138.36.82.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 138.36.83.0/25
Down right: 138.36.83.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.36.83.2	A	dns1.proamb.com.br
138.36.83.2	A	fiema.com.br
138.36.83.2	A	mail.proamb.com.br
138.36.83.26	PTR	138.36.83.26.netfar.net
138.36.83.28	PTR	webserv.teclinemoveis.com.br.83.36.138.in-addr.arpa
138.36.83.28	A	m2.teclinemoveis.com.br
138.36.83.200	A+PTR	mail.bentogoncalves.rs.gov.br
138.36.83.200	A	smtp.bentogoncalves.rs.gov.br