Robtex

Up: 186.208.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 186.208.80.0/22
Down right: 186.208.84.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.208.80.2	A+PTR	dns.razaoinfo.com.br
186.208.80.9	A+PTR	borderpf2.razaoinfo.com.br
186.208.80.12	A	razaoinfo.dl.sourceforge.net
186.208.80.99	A+PTR	ns2.razaoinfo.com.br
186.208.80.100	PTR	www.razaoinfo.com.br
186.208.80.100	A	albertoni.com.br
186.208.80.100	A	agrocercas.com.br
186.208.80.102	PTR	mailsrv.razaoinfo.com.br
186.208.80.103	PTR	mailsrv2.razaoinfo.com.br
186.208.80.104	A+PTR	mail.razaoinfo.com.br
186.208.80.107	A+PTR	mail4.razaoinfo.com.br
186.208.80.110	PTR	mail.portalturbo.com.br
186.208.80.110	A	server.wavetec.com.br
186.208.80.110	A	razaoinfo.com.br
186.208.80.140	A	r1.sn-g515vpo4vcg-24ce.googlevideo.com
186.208.80.141	A	r2.sn-g515vpo4vcg-24ce.googlevideo.com
186.208.80.142	A	r3.sn-g515vpo4vcg-24ce.googlevideo.com
186.208.81.17	A	scontent.fpfb3-1.fna.fbcdn.net
186.208.81.33	A	instagram.fpfb3-1.fna.fbcdn.net
186.208.81.66	A+PTR	mail.dicanalli.com.br
186.208.81.66	A	consorciorondon.com.br
186.208.81.66	A	dicanalli.com.br
186.208.81.226	A	cutrs.org.br
186.208.81.226	A	aliancaimoveisrs.com.br
186.208.81.226	A	www.abreuimoveis.imb.br
186.208.81.227	PTR	mail.metaseter.com.br
186.208.81.229	A	cutrs.org.br
186.208.81.245	A+PTR	ns1.tn3.com.br
186.208.81.246	A+PTR	ns2.tn3.com.br
186.208.81.247	PTR	fw.tn3.com.br
186.208.81.247	A	notaweb.com.br
186.208.81.249	A	dfentrada.com
186.208.81.250	PTR	dev.tn3.com.br
186.208.81.250	A	ippf.com.br
186.208.81.250	A	quatropropaganda.com.br
186.208.81.252	PTR	srvmail.tn3.com.br
186.208.82.28	PTR	mail.wavetec.com.br
186.208.82.29	PTR	mail2.wavetec.com.br
186.208.82.29	A	server2.wavetec.com.br
186.208.85.43	A+PTR	186.208.85.43.razaoinfo.com.br