Robtex

Up: 177.39.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 177.39.56.0/22
Down right: 177.39.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.39.56.11	A+PTR	vcenter.marpnet.net.br
177.39.56.19	A+PTR	177-39-56-19.marpnet.net.br
177.39.56.19	A	ns1.marpnet.net.br
177.39.56.20	A+PTR	177-39-56-20.marpnet.net.br
177.39.56.20	A	ns2.marpnet.net.br
177.39.56.37	PTR	hospedagemwww.marpnet.net.br
177.39.56.37	A	marpnet.com.br
177.39.56.37	A	www.marpnet.com.br
177.39.56.70	A+PTR	177-39-56-70.marpnet.net.br
177.39.56.174	A+PTR	ns1.nextly.host
177.39.56.174	A	nextly.host
177.39.56.174	A	marptelecom.com
177.39.58.78	A+PTR	177-39-58-78.marpnet.net.br
177.39.61.78	A	foxxprovider.com
177.39.63.35	A+PTR	mail.marpnet.net.br
177.39.63.37	A+PTR	177-39-63-37.marpnet.net.br
177.39.63.46	A+PTR	177-39-63-46.marpnet.net.br
177.39.63.161	A+PTR	177-39-63-161.marpnet.net.br
177.39.63.161	A	instagram.faju9-1.fna.fbcdn.net