Robtex

Up: 160.238.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 160.238.188.0/23
Down right: 160.238.190.0/23

IP	Type	Hostname
160.238.190.2	A+PTR	din-160-238-190-2.ssmtelecom.com.br
160.238.190.2	A+PTR	ns1.ssmtelecom.com.br
160.238.190.3	A+PTR	din-160-238-190-3.ssmtelecom.com.br
160.238.190.3	PTR	ns1.ssmtelecom.com.br
160.238.190.3	A	teste01.ssmtelecom.com.br
160.238.190.66	A+PTR	din-160-238-190-66.ssmtelecom.com.br