Robtex

Up: 200.150.140.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 200.150.142.0/24
Down right: 200.150.143.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.150.142.2	A+PTR	sec45.secrel.com.br
200.150.142.2	A	ns1.daterranet.com.br
200.150.142.2	A	daterranet.com.br
200.150.142.4	A+PTR	sec28.secrel.com.br
200.150.142.4	A	sedex.daterranet.com.br
200.150.142.4	A	mail.daterranet.com.br