Robtex

Up: 200.144.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 200.144.32.0/20
Down right: 200.144.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.144.39.63	A	200-144-39-63.ptr.fecap.br
200.144.39.102	A	fecap.br
200.144.39.102	A	colegiofecap.com.br
200.144.39.102	A	alvarespenteado.br
200.144.56.34	A	sbpcacervodigital.org.br
200.144.56.35	A	reunioessbpc.org.br
200.144.59.10	A+PTR	ns3.fob.usp.br