Robtex

Up: 191.5.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 191.5.0.0/20
Down right: 191.5.16.0/20

IP	Type	Hostname
191.5.0.0	A+PTR	191.5.0.0.razaoinfo.com.br
191.5.0.1	A+PTR	191.5.0.1.razaoinfo.com.br
191.5.0.2	PTR	191.5.0.2.razaoinfo.com.br
191.5.0.3	A+PTR	191.5.0.3.razaoinfo.com.br
191.5.0.4	A	191.5.0.4.razaoinfo.com.br
191.5.0.34	A+PTR	191.5.0.34.razaoinfo.com.br
191.5.0.35	A+PTR	191.5.0.35.razaoinfo.com.br
191.5.0.36	A+PTR	191.5.0.36.razaoinfo.com.br
191.5.0.38	A+PTR	191.5.0.38.razaoinfo.com.br
191.5.0.64	A+PTR	191.5.0.64.razaoinfo.com.br
191.5.0.67	A+PTR	191.5.0.67.razaoinfo.com.br
191.5.0.69	A+PTR	191.5.0.69.razaoinfo.com.br
191.5.0.70	A+PTR	191.5.0.70.razaoinfo.com.br
191.5.0.97	A+PTR	191.5.0.97.razaoinfo.com.br
191.5.0.98	A+PTR	191.5.0.98.razaoinfo.com.br
191.5.0.99	A+PTR	191.5.0.99.razaoinfo.com.br
191.5.0.101	A+PTR	191.5.0.101.razaoinfo.com.br
191.5.0.128	A+PTR	191.5.0.128.razaoinfo.com.br
191.5.0.129	A+PTR	191.5.0.129.razaoinfo.com.br
191.5.0.130	A+PTR	191.5.0.130.razaoinfo.com.br
191.5.0.131	A+PTR	191.5.0.131.razaoinfo.com.br
191.5.0.160	A+PTR	191.5.0.160.razaoinfo.com.br
191.5.0.162	A+PTR	191.5.0.162.razaoinfo.com.br
191.5.0.164	A+PTR	191.5.0.164.razaoinfo.com.br
191.5.0.165	A+PTR	191.5.0.165.razaoinfo.com.br
191.5.0.196	A+PTR	191.5.0.196.razaoinfo.com.br
191.5.0.197	A+PTR	mail.beninpericiacontabil.com.br
191.5.0.197	A	beninpericiacontabil.com.br
191.5.0.198	A+PTR	191.5.0.198.razaoinfo.com.br
191.5.0.199	PTR	191.5.0.199.razaoinfo.com.br
191.5.0.226	A+PTR	191.5.0.226.razaoinfo.com.br
191.5.0.227	A+PTR	191.5.0.227.razaoinfo.com.br
191.5.0.228	A+PTR	191.5.0.228.razaoinfo.com.br
191.5.0.229	A+PTR	191.5.0.229.razaoinfo.com.br
191.5.1.9	A+PTR	191.5.1.9.razaoinfo.com.br
191.5.2.4	A+PTR	191.5.2.4.razaoinfo.com.br
191.5.4.179	PTR	191.5.4.179.razaoinfo.com.br
191.5.4.242	A+PTR	191.5.4.242.razaoinfo.com.br
191.5.6.2	A+PTR	191.5.6.2.razaoinfo.com.br
191.5.6.56	A+PTR	191.5.6.56.razaoinfo.com.br
191.5.6.56	A	farmboavista.ddns.net
191.5.10.35	A+PTR	191.5.10.35.razaoinfo.com.br
191.5.13.72	A+PTR	191.5.13.72.razaoinfo.com.br
191.5.16.89	A+PTR	191.5.16.89.razaoinfo.com.br
191.5.19.2	A+PTR	191.5.19.2.razaoinfo.com.br
191.5.23.50	PTR	191.5.23.50.razaoinfo.com.br
191.5.23.234	PTR	191.5.23.234.razaoinfo.com.br
191.5.26.2	A+PTR	191.5.26.2.razaoinfo.com.br
191.5.28.2	PTR	191.5.28.2.razaoinfo.com.br
191.5.29.195	A+PTR	191.5.29.195.razaoinfo.com.br
191.5.31.59	A+PTR	191.5.31.59.razaoinfo.com.br