The MIB's DESCRIPTION for cucsLsBindingAssignedToDn is only the auto-generated stub 'Cisco UCS ls:Binding:assignedToDn managed object property', but the 'assignedToDn' property name together with its SnmpAdminString type tell us this column, on the record of a service profile being bound (associated) to a specific physical blade or rack server, holds the assignedToDn as UCS Manager's data model defines it, exposed here as a read-only SNMP value (read-only). The assignedToDn is the Dn of the service profile this binding is currently assigned to, the reverse link that lets you go from a bound server back to the logical profile controlling it. This would hold a value like 'org-root/ls-Web-Server-01' pointing back at the owning service profile.