Robtex

Up: 187.180.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 187.180.30.0/24
Down right: 187.180.31.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.180.31.18	PTR	bbb41f12.virtua.com.br
187.180.31.18	A	occ-0-580-1801.1.nflxso.net
187.180.31.18	A	occ-1-580-1380.1.nflxso.net
187.180.31.22	PTR	bbb41f16.virtua.com.br
187.180.31.22	A	occ-0-580-1801.1.nflxso.net
187.180.31.22	A	occ-1-580-1380.1.nflxso.net
187.180.31.140	PTR	bbb41f8c.virtua.com.br
187.180.31.140	A	r1---sn-oxunxg8pjvn-na1l.googlevideo.com
187.180.31.140	A	r1---sn-oxunxg8pjvn-na1l.gvt1.com
187.180.31.141	PTR	bbb41f8d.virtua.com.br
187.180.31.141	A	r2---sn-oxunxg8pjvn-na1l.gvt1.com
187.180.31.141	A	r2.sn-oxunxg8pjvn-na1l.googlevideo.com
187.180.31.142	PTR	bbb41f8e.virtua.com.br
187.180.31.142	A	r3---sn-oxunxg8pjvn-na1l.gvt1.com
187.180.31.143	PTR	bbb41f8f.virtua.com.br
187.180.31.143	A	r4---sn-oxunxg8pjvn-na1l.googlevideo.com
187.180.31.143	A	r4.sn-oxunxg8pjvn-na1l.googlevideo.com
187.180.31.209	PTR	bbb41fd1.virtua.com.br
187.180.31.209	A	scontent.fslz1-1.fna.fbcdn.net
187.180.31.209	A	external.fslz1-1.fna.fbcdn.net
187.180.31.210	PTR	bbb41fd2.virtua.com.br
187.180.31.210	A	video.fslz1-1.fna.fbcdn.net
187.180.31.224	PTR	bbb41fe0.virtua.com.br
187.180.31.224	A	instagram.fslz1-1.fna.fbcdn.net
187.180.31.225	PTR	bbb41fe1.virtua.com.br
187.180.31.225	A	media.fslz1-1.fna.whatsapp.net
187.180.31.226	PTR	bbb41fe2.virtua.com.br
187.180.31.226	A	z-p3-scontent.fslz1-1.fna.fbcdn.net
187.180.31.232	PTR	bbb41fe8.virtua.com.br
187.180.31.232	A	z-1-video.fslz1-1.fna.fbcdn.net
187.180.31.232	A	z-1-scontent.fslz1-1.fna.fbcdn.net