Robtex

Up: 168.196.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 168.196.40.0/23
Down right: 168.196.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
168.196.40.21	PTR	168-196-40-21.provedorvisuallink.net.br
168.196.40.21	A	pop.provedorvisuallink.net.br
168.196.40.22	PTR	168-196-40-22.provedorvisuallink.net.br
168.196.40.22	A	ns2.provedorvisuallink.net.br
168.196.40.126	PTR	168-196-40-126.provedorvisuallink.net.br
168.196.41.101	PTR	101-41-196-168.provedorvisuallink.net.br
168.196.42.40	PTR	168-196-42-40.provedorvisuallink.net.br
168.196.42.70	A+PTR	168-196-42-70.provedorvisuallink.net.br
168.196.43.13	A+PTR	13-43-196-168.provedorvisuallink.net.br
168.196.43.98	A	ns1.provedorvisuallink.net.br
168.196.43.102	A	ns2.provedorvisuallink.net.br
168.196.43.114	PTR	114-43-196-168.provedorvisuallink.net.br
168.196.43.114	A	ipv4-c003-rec001-visuallink-br-isp.1.oca.nflxvideo.net
168.196.43.118	PTR	118-43-196-168.provedorvisuallink.net.br
168.196.43.118	A	occ-0-2187-1356.1.nflxso.net
168.196.43.118	A	ipv4-c002-rec001-visuallink-br-isp.1.oca.nflxvideo.net
168.196.43.145	PTR	145-43-196-168.provedorvisuallink.net.br
168.196.43.145	A	scontent.frec13-1.fna.fbcdn.net
168.196.43.146	PTR	168-196-43-146.provedorvisuallink.net.br
168.196.43.146	A	video.frec13-1.fna.fbcdn.net
168.196.43.158	PTR	168-196-43-158.provedorvisuallink.net.br
168.196.43.158	A	sonar.frec13-1.fna.fbcdn.net
168.196.43.160	PTR	168-196-43-160.provedorvisuallink.net.br
168.196.43.160	A	z-p3-scontent.frec13-1.fna.fbcdn.net
168.196.43.161	PTR	161-43-196-168.provedorvisuallink.net.br
168.196.43.161	A	instagram.frec13-1.fna.fbcdn.net
168.196.43.162	PTR	168-196-43-162.provedorvisuallink.net.br
168.196.43.162	A	media.frec13-1.fna.whatsapp.net
168.196.43.221	PTR	168-196-43-221.provedorvisuallink.net.br
168.196.43.222	PTR	222-43-196-168.provedorvisuallink.net.br
168.196.43.222	A	occ-0-2187-1356.1.nflxso.net
168.196.43.222	A	occ-0-2187-1123.1.nflxso.net
168.196.43.236	PTR	236-43-196-168.provedorvisuallink.net.br
168.196.43.236	A	r1.sn-8pn05acg-gxje.c.android.clients.google.com
168.196.43.236	A	r1.sn-8pn05acg-gxje.c.youtube.com
168.196.43.237	PTR	237-43-196-168.provedorvisuallink.net.br
168.196.43.237	A	r2.sn-8pn05acg-gxje.c.youtube.com
168.196.43.237	A	r2.sn-8pn05acg-gxje.gvt1.com
168.196.43.238	PTR	168-196-43-238.provedorvisuallink.net.br