Robtex

Up: 177.8.248.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 177.8.248.0/25
Down right: 177.8.248.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.8.248.8	A+PTR	ns2.isuper.com.br
177.8.248.23	PTR	248-023.isuper.com.br
177.8.248.23	A	speedtest.isuper.com.br
177.8.248.45	PTR	host.isuper.com.br
177.8.248.45	A	ns2.isuper.com.br
177.8.248.45	A	routerbox.com.br