Robtex

Up: 138.97.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 138.97.204.0/23
Down right: 138.97.206.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.97.204.10	A+PTR	dns1.roraimanet.com.br
138.97.204.11	A+PTR	dns2.roraimanet.com.br
138.97.204.12	A+PTR	www.roraimanet.com.br
138.97.204.12	A	roraimanet.com.br
138.97.204.12	A	roraimanet.net.br
138.97.204.254	A+PTR	bva.roraimanet.net.br
138.97.204.254	A+PTR	ge-1-core-01.bva.roraimanet.net.br
138.97.205.170	A+PTR	138-97-205-170.dynamic.roraimanet.net.br