Robtex

Up: 177.36.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 177.36.0.0/22
Down right: 177.36.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.36.2.27	A+PTR	ns1.1telecom.com.br
177.36.2.27	A	umtelecom.com.br
177.36.2.27	A	ns1.connectoway.com.br
177.36.2.28	PTR	ns2.1telecom.com.br
177.36.2.38	A	dscnetwork.com.br
177.36.2.38	A	mail.dscnetwork.com.br
177.36.2.40	A	connectoway.com.br
177.36.2.101	A+PTR	mail.1telecom.com.br
177.36.2.103	A	mail.connectoway.com.br
177.36.2.103	A	gambitwave.connectoway.com.br
177.36.2.209	A	external.frec1-2.fna.fbcdn.net
177.36.2.209	A	scontent.frec1-2.fna.fbcdn.net
177.36.2.210	A	video.frec1-2.fna.fbcdn.net
177.36.2.222	A	z-1-external.frec1-2.fna.fbcdn.net
177.36.2.222	A	sonar.frec1-2.fna.fbcdn.net
177.36.2.224	A	instagram.frec1-2.fna.fbcdn.net
177.36.2.225	A	media.frec1-2.fna.whatsapp.net
177.36.2.226	A	z-p3-scontent.frec1-2.fna.fbcdn.net
177.36.2.232	A	z-1-scontent.frec1-2.fna.fbcdn.net
177.36.2.232	A	z-1-video.frec1-2.fna.fbcdn.net
177.36.3.9	A	occ-0-369-1740.1.nflxso.net
177.36.3.44	A	r1---sn-voxuxaxjvh-gxjl.gvt1.com
177.36.3.44	A	r1---sn-voxuxaxjvh-gxjl.googlevideo.com
177.36.3.44	A	r1.sn-voxuxaxjvh-gxjl.googlevideo.com
177.36.3.48	A	r5.sn-voxuxaxjvh-gxjl.googlevideo.com
177.36.3.48	A	r5.sn-voxuxaxjvh-gxjl.gvt1.com
177.36.3.49	A	r6.sn-voxuxaxjvh-gxjl.gvt1.com
177.36.3.49	A	r6.sn-voxuxaxjvh-gxjl.googlevideo.com
177.36.3.81	A	scontent.frec1-1.fna.fbcdn.net
177.36.3.82	A	video.frec1-1.fna.fbcdn.net
177.36.3.94	A	z-1-scontent.frec1-1.fna.fbcdn.net
177.36.3.94	A	sonar.frec1-1.fna.fbcdn.net
177.36.3.97	A	media.frec1-1.fna.whatsapp.net
177.36.3.98	A	z-p3-scontent.frec1-1.fna.fbcdn.net
177.36.3.104	A	z-1-video.frec1-1.fna.fbcdn.net
177.36.3.104	A	z-1-external.frec1-1.fna.fbcdn.net
177.36.3.140	PTR	cache.google.com
177.36.3.140	A	r1.sn-voxuxaxjvh-gxje.gvt1.com
177.36.3.140	A	r1.sn-voxuxaxjvh-gxje.c.android.clients.google.com
177.36.3.141	PTR	cache.google.com
177.36.3.142	PTR	cache.google.com
177.36.4.17	A	gambitwave.connectoway.com.br
177.36.4.20	A	ns3.1telecom.com.br
177.36.6.9	PTR	speednetpesqueira.com.br
177.36.7.30	A	mx.pe.sebrae.com.br
177.36.7.205	A	filhonettelecomunicacoes.com.br