Robtex

Up: 187.49.218.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 187.49.218.0/25
Down right: 187.49.218.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.49.218.114	PTR	187-49-218-114.static.artelecom.com.br
187.49.218.114	A	speedtest.artelecom.com.br
187.49.218.117	A+PTR	ns1.artelecom.com.br
187.49.218.117	A	ns1.artelecomunicacoes.com.br
187.49.218.118	A+PTR	ns2.artelecom.com.br
187.49.218.118	A	www.artelecomunicacoes.com.br
187.49.218.118	A	ns2.artelecomunicacoes.com.br
187.49.218.122	A	mx-2.farmabase.com.br
187.49.218.122	A	mx-2.farmabase.com
187.49.218.147	PTR	187-49-218-147.static.artelecom.com.br
187.49.218.147	A	video.fpoo5-1.fna.fbcdn.net
187.49.218.148	PTR	187-49-218-148.static.artelecom.com.br
187.49.218.148	A	scontent.fpoo5-1.fna.fbcdn.net
187.49.218.160	PTR	187-49-218-160.static.artelecom.com.br
187.49.218.160	A	media.fpoo5-1.fna.whatsapp.net
187.49.218.162	PTR	187-49-218-162.static.artelecom.com.br
187.49.218.162	A	instagram.fpoo5-1.fna.fbcdn.net