Overview#18.104.22.168 id the OID for the Microsoft Active Directory Syntax Case Sensitivity String which appears to be the same as caseExactString
22.214.171.124 is found in the schema for the regarding attribute. This OID is described in the Microsoft Active Directory Technical Specification MSADTS. 126.96.36.199 corresponds with the basic Generalized Time syntax.
188.8.131.52 it is as far as Ldapwiki can determine exclusively by Microsoft Active Directory.