Robtex

Up: 189.7.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 189.7.65.0/25
Down right: 189.7.65.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
189.7.65.14	A+PTR	ideafix.kairius.com.br
189.7.65.14	A	ideafix.kairus.com.br
189.7.65.14	A	kairius.com.br
189.7.65.21	PTR	bd074115.virtua.com.br
189.7.65.40	PTR	bd074128.virtua.com.br
189.7.65.133	PTR	bd074185.virtua.com.br