Robtex

Up: 186.216.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 186.216.96.0/20
Down right: 186.216.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.216.98.118	PTR	186-216-98-118.lav-wr.mastercabo.com.br
186.216.99.186	PTR	186.216.99-186.lav-fb.mastercabo.com.br
186.216.99.186	A	andrechateau.com
186.216.101.60	A+PTR	186-216-101-60.mastercabo.com.br
186.216.101.71	A+PTR	186-216-101-71.mastercabo.com.br
186.216.108.12	A+PTR	186-216-108-12.mastercabo.com.br
186.216.108.12	A	r1.sn-8p5hvj-22te.googlevideo.com
186.216.108.13	A+PTR	186-216-108-13.mastercabo.com.br
186.216.108.13	A	r2.sn-8p5hvj-22te.googlevideo.com
186.216.108.14	PTR	186-216-108-14.mastercabo.com.br
186.216.111.1	PTR	186-216-111-1.mal-wr.mastercabo.com
186.216.111.1	A	occ-2-2243-1123.1.nflxso.net
186.216.111.1	A	occ-0-2243-1567.1.nflxso.net
186.216.111.5	PTR	186-216-111-5.mcl.mastercabo.com
186.216.111.5	A	occ-0-2243-1567.1.nflxso.net
186.216.112.4	PTR	186-216-112-4.psa-wr.mastercabo.com.br
186.216.113.200	PTR	186-216-113-200.psa-wr.mastercabo.com.br
186.216.114.155	A+PTR	186-216-114-155.mastercabo.com.br
186.216.114.162	PTR	186-216-114-162.psa-wr.mastercabo.com.br
186.216.116.141	PTR	186-216-116-141.psa-wr.mastercabo.com.br
186.216.117.233	PTR	186-216-117-233.psa-wr.mastercabo.com.br
186.216.118.238	PTR	186-216-118-238.psa-wr.mastercabo.com.br
186.216.119.254	PTR	186-216-119-254.psa-wr.mastercabo.com.br
186.216.119.254	A	186-216-119-254.mastercabo.com.br
186.216.120.30	A+PTR	186-216-120-30.mastercabo.com.br
186.216.123.9	PTR	186-216-123-9.psa-cb.mastercabo.com.br
186.216.123.119	PTR	186-216-123-119.psa-cb.mastercabo.com.br