OID value: 2.5.4.11.1
OID description:
The Collective Organizational Unit Name attribute type specifies an
organizational unit for a collection of entries.
collectiveOrganizationalUnitName ATTRIBUTE ::= { SUBTYPE OF organizationalUnitName COLLECTIVE TRUE ID id-at-collectiveOrganizationalUnitName }
See also the OID Repository website reference for 2.5.4.11.1