Robtex

Up: 177.35.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 177.35.32.0/22
Down right: 177.35.36.0/22

IP	Type	Hostname
177.35.32.76	A	r1---sn-oxunxg8pjvn-w25e.googlevideo.com
177.35.32.76	A	r1.sn-oxunxg8pjvn-w25e.gvt1.com
177.35.32.77	A	r2.sn-oxunxg8pjvn-w25e.gvt1.com
177.35.32.77	A	r2---sn-oxunxg8pjvn-w25e.googlevideo.com
177.35.32.99	PTR	b1232063.virtua.com.br
177.35.32.204	A	r1.sn-oxunxg8pjvn-w25l.c.android.clients.google.com
177.35.32.205	A	r2.sn-oxunxg8pjvn-w25l.googlevideo.com
177.35.32.205	A	r2---sn-oxunxg8pjvn-w25l.gvt1.com
177.35.32.205	A	r2---sn-oxunxg8pjvn-w25l.googlevideo.com
177.35.32.234	PTR	b12320ea.virtua.com.br
177.35.32.234	A	occ-0-731-1801.1.nflxso.net
177.35.32.234	A	occ-0-731-1865.1.nflxso.net
177.35.33.17	PTR	b1232111.virtua.com.br
177.35.33.17	A	external.fjpa1-1.fna.fbcdn.net
177.35.33.17	A	scontent.fjpa1-1.fna.fbcdn.net
177.35.33.18	PTR	b1232112.virtua.com.br
177.35.33.18	A	video.fjpa1-1.fna.fbcdn.net
177.35.33.32	PTR	b1232120.virtua.com.br
177.35.33.32	A	instagram.fjpa1-1.fna.fbcdn.net
177.35.33.33	PTR	b1232121.virtua.com.br
177.35.33.33	A	media.fjpa1-1.fna.whatsapp.net
177.35.33.34	PTR	b1232122.virtua.com.br
177.35.33.34	A	z-p3-scontent.fjpa1-1.fna.fbcdn.net
177.35.33.40	PTR	b1232128.virtua.com.br
177.35.33.40	A	z-1-video.fjpa1-1.fna.fbcdn.net
177.35.33.40	A	z-1-scontent.fjpa1-1.fna.fbcdn.net
177.35.33.47	PTR	b123212f.virtua.com.br
177.35.34.177	PTR	b12322b1.virtua.com.br
177.35.34.177	A	160-191.34.35.201.in-addr.arpa
177.35.35.219	PTR	b12323db.virtua.com.br