Robtex

Up: 138.117.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 138.117.53.0/25
Down right: 138.117.53.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.117.53.90	A+PTR	ns2.fl.srv.br
138.117.53.90	A	ns2.fire7.com.br
138.117.53.90	A	ns2.lucasquadros.me
138.117.53.91	A	porreta.com.br
138.117.53.91	A	babababy.com.br
138.117.53.91	A	tjms.com.br
138.117.53.96	A+PTR	ns2.servcase.com.br