Robtex

Up: 170.231.110.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 170.231.111.0/25
Down right: 170.231.111.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.231.111.228	A+PTR	ns1.uplinkinternet.com.br
170.231.111.230	A+PTR	ns2.uplinkinternet.com.br
170.231.111.250	PTR	250.111.231.170.uplinkinternet.com.br
170.231.111.250	A	uplinkinternet.com.br
170.231.111.250	A	www.uplinkinternet.com.br