Robtex

Up: 201.140.248.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.140.248.0/25
Down right: 201.140.248.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.140.248.3	PTR	201-140-248-3.in-addr.arpa
201.140.248.3	A	mail.rondotec.com.br
201.140.248.3	A	rondotec.com
201.140.248.4	A	domustelecom.com.br
201.140.248.4	A	ns1.domustelecom.com.br
201.140.248.4	A	refricol.com.br
201.140.248.5	A+PTR	ns2.hvprovedor.com.br
201.140.248.5	A	ns2.rondotec.net.br