Robtex

Up: 186.250.52.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 186.250.54.0/24
Down right: 186.250.55.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.250.54.60	A+PTR	186.250.54.60.redfoxtelecom.com.br
186.250.54.99	A+PTR	186.250.54.99.redfoxtelecom.com.br
186.250.54.116	A+PTR	186.250.54.116.redfoxtelecom.com.br
186.250.54.188	A+PTR	186.250.54.188.redfoxtelecom.com.br
186.250.54.223	A+PTR	186.250.54.223.redfoxtelecom.com.br
186.250.55.21	A+PTR	186.250.55.21.redfoxtelecom.com.br
186.250.55.85	A+PTR	186.250.55.85.redfoxtelecom.com.br
186.250.55.93	A+PTR	186.250.55.93.redfoxtelecom.com.br
186.250.55.124	A+PTR	186.250.55.124.redfoxtelecom.com.br
186.250.55.134	A+PTR	186.250.55.134.redfoxtelecom.com.br
186.250.55.137	A+PTR	186.250.55.137.redfoxtelecom.com.br
186.250.55.218	PTR	186.250.55.218.redfoxtelecom.com.br
186.250.55.218	A	occ-1-1417-1123.1.nflxso.net
186.250.55.218	A	occ-1-1417-1567.1.nflxso.net