Robtex

Up: 168.232.244.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 168.232.244.0/25
Down right: 168.232.244.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
168.232.244.0	PTR	168-232-244-0-dynamic.client.voltecautomacao.com.br
168.232.244.10	A+PTR	ns1.voltecautomacao.com.br
168.232.244.11	A+PTR	ns2.voltecautomacao.com.br
168.232.244.21	A+PTR	168-232-244-21-dynamic.client.voltecautomacao.com.br
168.232.244.21	A	mx1.voltecautomacao.com.br
168.232.244.21	A	mx2.voltecautomacao.com.br
168.232.244.22	A+PTR	168-232-244-22-dynamic.client.voltecautomacao.com.br
168.232.244.22	A	www.voltecautomacao.com.br
168.232.244.22	A	voltecautomacao.com.br
168.232.244.46	A+PTR	168-232-244-46-dynamic.client.voltecautomacao.com.br
168.232.244.46	A	speedtest.voltecautomacao.com.br