Robtex

Up: 170.80.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 170.80.232.0/23
Down right: 170.80.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.80.232.1	A+PTR	ns1.connect.psi.br
170.80.232.2	A+PTR	ns2.connect.psi.br
170.80.232.3	PTR	pop.connect.psi.br
170.80.232.3	PTR	web.connect.psi.br
170.80.232.3	PTR	imap.connect.psi.br
170.80.234.3	PTR	170-80-234-3.connect.psi.br
170.80.235.241	A	l2torre.servegame.com