Robtex

Up: 177.35.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 177.35.208.0/21
Down right: 177.35.216.0/21

IP	Type	Hostname
177.35.208.152	PTR	b123d098.virtua.com.br
177.35.209.1	PTR	b123d101.virtua.com.br
177.35.211.94	PTR	b123d35e.virtua.com.br
177.35.211.203	PTR	b123d3cb.virtua.com.br
177.35.212.159	PTR	b123d49f.virtua.com.br
177.35.219.95	PTR	b123db5f.virtua.com.br
177.35.219.179	PTR	b123dbb3.virtua.com.br
177.35.220.0	PTR	b123dc00.virtua.com.br
177.35.220.98	PTR	b123dc62.virtua.com.br
177.35.220.115	PTR	b123dc73.virtua.com.br
177.35.220.187	PTR	b123dcbb.virtua.com.br
177.35.220.205	PTR	b123dccd.virtua.com.br
177.35.221.86	PTR	b123dd56.virtua.com.br
177.35.223.7	PTR	b123df07.virtua.com.br
177.35.223.81	PTR	b123df51.virtua.com.br