Robtex

Up: 187.49.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 187.49.128.0/21
Down right: 187.49.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.49.128.1	A+PTR	srvmx1.rline.com.br
187.49.128.1	A	mail.planaltonet.com.br
187.49.128.1	A	ns2.deztelecom.net.br
187.49.128.2	PTR	router-border.rline.com.br
187.49.128.4	PTR	master-dns.rline.com.br
187.49.128.67	PTR	clientes-corporativos-187-49-128-67.rline.com.br
187.49.128.101	A	mx1.tritravel.com.br
187.49.128.101	A	tritravel.com.br
187.49.128.101	A	perolanet.com.br
187.49.128.109	A	mail.planaltonet.com.br
187.49.128.138	A	ns1.aqualyfe.com.br
187.49.128.138	A	aqualyfe.com.br
187.49.128.138	A	ns1.ecosuper.com.br
187.49.129.38	PTR	187-49-129-38.customers-dynamic-ftth.rline.com.br
187.49.131.69	PTR	pool-03-clientes-69.rline.com.br
187.49.135.54	PTR	187-49-135-54.customers-dynamic-ftth.rline.com.br
187.49.136.2	A	ns2.sudonet.com.br
187.49.136.2	A	delta.dezinternet.com.br
187.49.136.145	PTR	figu2-1.fna.deztelecom.net.br
187.49.136.145	A	scontent.figu2-1.fna.fbcdn.net
187.49.136.146	PTR	figu2-1.fna.deztelecom.net.br
187.49.136.146	A	video.figu2-1.fna.fbcdn.net
187.49.136.158	PTR	figu2-1.fna.deztelecom.net.br
187.49.136.158	A	sonar.figu2-1.fna.fbcdn.net
187.49.136.160	PTR	figu2-1.fna.deztelecom.net.br
187.49.136.160	A	z-p3-scontent.figu2-1.fna.fbcdn.net
187.49.136.161	PTR	figu2-1.fna.deztelecom.net.br
187.49.136.161	A	instagram.figu2-1.fna.fbcdn.net
187.49.136.162	A	media.figu2-1.fna.whatsapp.net
187.49.136.204	A	r1.sn-gapox-j5je.c.android.clients.google.com
187.49.136.204	A	r1---sn-gapox-j5je.googlevideo.com
187.49.136.204	A	r1.sn-gapox-j5je.googlevideo.com
187.49.136.205	A	r2.sn-gapox-j5je.c.android.clients.google.com
187.49.136.230	A	elmbr.com
187.49.137.6	A	ns2.sgpub.com.br
187.49.137.34	A	suporte.dezinternet.com.br