Robtex

Up: 138.185.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 138.185.120.0/25
Down right: 138.185.120.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.185.120.28	A+PTR	ns1.gurinet.com.br
138.185.120.28	A	mail.gurisat.com.br
138.185.120.28	A	ns1.gurisat.com.br
138.185.120.29	PTR	ns1.gurinet.com.br
138.185.120.29	A	ns2.gurinet.com.br
138.185.120.29	A	gurinet.com.br