Overview#188.8.131.52 id the OID for the Microsoft Active Directory Syntax Case Sensitivity String which appears to be the same as caseExactString
184.108.40.206 is found in the schema for the regarding attribute. This OID is described in the Microsoft Active Directory Technical Specification MSADTS. 220.127.116.11 corresponds with the basic Generalized Time syntax.
18.104.22.168 it is as far as Ldapwiki can determine exclusively by Microsoft Active Directory.