Robtex

Up: 187.17.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 187.17.164.0/23
Down right: 187.17.166.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.17.165.92	A	www.tuanet.com.br
187.17.165.92	A	tuanet.com.br
187.17.165.200	A	exames.bio.br
187.17.166.107	A+PTR	mail.estoquetintas.com.br
187.17.166.107	A	mailserver.estoquetintas.com.br
187.17.166.107	A	casacortintas.com.br
187.17.166.226	A+PTR	mx.caminhoveiculos.com.br