Robtex

Up: 177.86.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 177.86.8.0/22
Down right: 177.86.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.86.8.3	A+PTR	dns2.flynet.net.br
177.86.8.3	A	ns1.flynet.net.br
177.86.8.3	A	flynet.net.br
177.86.8.7	A+PTR	flysrvcpl.flynet.net.br
177.86.8.7	A	ns1.flynet.net.br
177.86.8.7	A	agrosorgatto.com.br
177.86.8.8	PTR	flysrvdns1.flynet.net.br
177.86.8.8	A	ns2.flynettelecom.net.br
177.86.8.8	A	ns2.flynet.net.br
177.86.8.10	A	a2representacao.com.br
177.86.8.61	A	mail.flynet.net.br
177.86.8.61	A	flysrvcpl.flynet.net.br
177.86.8.62	PTR	futuranegocios.net.br
177.86.8.130	PTR	mail.agrosorgatto.com.br
177.86.8.130	A	ns1.sorgattoalimentos.com.br
177.86.8.130	A	smtp.sorgattoalimentos.com.br
177.86.8.131	PTR	ns2.agrosorgatto.com.br
177.86.8.131	A	ns2.sorgattoalimentos.com.br
177.86.10.130	PTR	177-86-10-130.flynet.net.br
177.86.10.130	A	agrosorgatto.com.br
177.86.14.255	PTR	177-86-14-255.flynet.net.br
177.86.15.2	PTR	177-86-15-2.flynet.net.br
177.86.15.32	PTR	177-86-15-32.flynet.net.br
177.86.15.255	PTR	177-86-15-255.flynet.net.br