Robtex

Up: 200.170.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.170.86.0/25
Down right: 200.170.86.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.170.86.3	A+PTR	dnsrec01-napbr-db.durand.com.br
200.170.86.3	A	dnsadn01-napbr-db.durand.com.br
200.170.86.10	A+PTR	vmw01-napbr-db.durand.com.br
200.170.86.11	A+PTR	vmw02-napbr-db.durand.com.br
200.170.86.14	PTR	msq01-napbr-db.durand.com.br
200.170.86.15	PTR	vz02-napbr-db.durand.com.br
200.170.86.16	PTR	pva01-napbr-db.durand.com.br
200.170.86.21	A+PTR	zmx01-napbr-db.durand.com.br
200.170.86.23	A	uplk01-napbr-db.durand.com.br
200.170.86.24	A	uplk01a-napbr-db.durand.com.br
200.170.86.24	A	dns20.soesp.org.br
200.170.86.25	A+PTR	whpu02-tic-bre.durand.com.br
200.170.86.25	PTR	whup02.durand.com.br
200.170.86.31	PTR	newsletter.durand.com.br
200.170.86.31	PTR	project.durand.com.br
200.170.86.31	PTR	wiki.durand.com.br
200.170.86.218	A+PTR	mail01-napbr-siplan.siplancontrolm.com.br
200.170.86.220	A+PTR	wplk01-napbr-siplan.siplancontrolm.com.br
200.170.86.220	A	3risantos.com.br
200.170.86.220	A	siplancontrolm.com