Robtex

Up: 177.53.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 177.53.132.0/23
Down right: 177.53.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.53.134.77	A+PTR	ns2.wnx.com.br
177.53.135.83	A+PTR	email.perky.com.br
177.53.135.83	A	email.masdi.com.br
177.53.135.83	A	email.kunstwear.com.br
177.53.135.84	PTR	177-53-135-84.dynamic.azza.net.br
177.53.135.84	A	ns1.perky.com.br
177.53.135.84	A	ns1.kunstwear.com.br
177.53.135.85	PTR	177-53-135-85.wnx.com.br
177.53.135.87	PTR	177-53-135-87.wnx.com.br
177.53.135.91	PTR	177-53-135-91.dynamic.wnxtelecom.com.br
177.53.135.91	A	177-53-135-91.wnx.com.br
177.53.135.186	PTR	177-53-135-186.dynamic.wnxtelecom.com.br
177.53.135.186	A	177-53-135-186.wnx.com.br