Robtex

Up: 201.49.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.49.91.0/25
Down right: 201.49.91.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.49.91.181	A+PTR	hosting1.adsnetbl.net.br
201.49.91.181	A	adessoti.net.br
201.49.91.181	A	mail.hosting1.adsnetbl.net.br
201.49.91.182	PTR	hosting2.adsnetbl.net.br
201.49.91.182	A	ns2.adsnetbl.net.br