Robtex

Up: 186.193.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 186.193.32.0/22
Down right: 186.193.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.193.32.54	PTR	ns1.mestrehost.com.br
186.193.32.54	A	ns1.bittelecom.net
186.193.32.54	A	doctorfish.com.br
186.193.32.58	PTR	186-193-32-58.bittelecom.net
186.193.32.58	A	speedtest.bittelecom.net
186.193.32.142	PTR	dns01.bittelecom.net
186.193.32.142	A	dns1.bitturbo.net.br
186.193.32.143	PTR	dns.bitturbo.net.br
186.193.32.143	A	ns2.bitturbo.com.br
186.193.32.144	A+PTR	ns6.bitturbo.net.br
186.193.32.144	A	clubdronephotography.com
186.193.32.144	A	dfxtecnologia.com.br
186.193.32.145	PTR	s002.bitfibra.com.br
186.193.32.146	PTR	ns2.tupa.sp.gov.br
186.193.36.237	PTR	186-193-36-237.bittelecom.net
186.193.36.238	PTR	l3-data-tup.bitturbo.net.br