Robtex

Up: 191.183.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 191.183.80.0/22
Down right: 191.183.84.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
191.183.80.42	PTR	bfb7502a.virtua.com.br
191.183.80.76	PTR	bfb7504c.virtua.com.br
191.183.80.76	A	r1---sn-oxunxg8pjvn-jbile.googlevideo.com
191.183.80.76	A	r1.sn-oxunxg8pjvn-jbile.gvt1.com
191.183.80.77	PTR	bfb7504d.virtua.com.br
191.183.80.78	PTR	bfb7504e.virtua.com.br
191.183.80.78	A	r3.sn-oxunxg8pjvn-jbile.gvt1.com
191.183.80.78	A	r3---sn-oxunxg8pjvn-jbile.gvt1.com
191.183.80.79	PTR	bfb7504f.virtua.com.br
191.183.80.80	PTR	bfb75050.virtua.com.br
191.183.80.80	A	r5.sn-oxunxg8pjvn-jbile.googlevideo.com
191.183.80.80	A	r5---sn-oxunxg8pjvn-jbile.googlevideo.com
191.183.80.81	PTR	bfb75051.virtua.com.br
191.183.80.81	A	r6---sn-oxunxg8pjvn-jbile.googlevideo.com
191.183.80.114	PTR	bfb75072.virtua.com.br
191.183.80.114	A	occ-2-626-1123.1.nflxso.net
191.183.80.114	A	occ-1-626-1567.1.nflxso.net
191.183.80.118	A	occ-2-626-1123.1.nflxso.net
191.183.80.118	A	occ-1-626-1567.1.nflxso.net
191.183.80.118	A	occ-1-626-1123.1.nflxso.net
191.183.80.122	A	occ-2-626-1123.1.nflxso.net
191.183.80.122	A	occ-1-626-1567.1.nflxso.net
191.183.80.122	A	occ-1-626-1123.1.nflxso.net
191.183.80.145	PTR	bfb75091.virtua.com.br
191.183.80.145	A	external.fcgh2-1.fna.fbcdn.net
191.183.80.146	PTR	bfb75092.virtua.com.br
191.183.80.146	A	video.fcgh2-1.fna.fbcdn.net
191.183.80.160	PTR	bfb750a0.virtua.com.br
191.183.80.160	A	instagram.fcgh2-1.fna.fbcdn.net
191.183.80.161	PTR	bfb750a1.virtua.com.br
191.183.80.161	A	media.fcgh2-1.fna.whatsapp.net
191.183.80.162	PTR	bfb750a2.virtua.com.br
191.183.80.162	A	z-p3-scontent.fcgh2-1.fna.fbcdn.net
191.183.80.168	PTR	bfb750a8.virtua.com.br
191.183.80.168	A	z-1-video.fcgh2-1.fna.fbcdn.net
191.183.80.168	A	z-1-scontent.fcgh2-1.fna.fbcdn.net
191.183.80.210	PTR	bfb750d2.virtua.com.br
191.183.80.210	A	ipv4-c007-cgh002-claro-br-net-isp.1.oca.nflxvideo.net
191.183.84.134	PTR	bfb75486.virtua.com.br