I think that this information is part of either the App or Web-Server. In OTM you can have a look at GL_USER, but its per user so you would need to write your own summary-qry. Table :
GL_USER_GID VARCHAR2(12
NOT NULL GL_USER_XID VARCHAR2(50)NOT NULL GL_PASSWORDVARCHAR2(12
NOT NULL DOMAIN_NAMEVARCHAR2(50)NOT NULL IS_AD_HOC_REPORTS_USERVARCHAR2(1)NOT NULL Y/N LAST_LOGIN_DATEDATE AD_HOC_REPORTS_DB_TYPEVARCHAR2(100) OLTP/ODS GL_ACCOUNT_POLICY_GID
(FK: GL_ACCOUNT_POLICY)VARCHAR2(101) PW_EXPIRATION_DATE DATE ACCOUNT_LOCKOUT_TIME DATE USERNAMEVARCHAR2(101) UNIQUE DEFAULT_USER_ROLE_GID
(FK: USER_ROLE)VARCHAR2(101)NOT NULL IS_ADVANCED_ANALYTICS_USERVARCHAR2(1)NOT NULL Y/N DEFAULT_AA_REPORTVARCHAR2(100) DOCUMENT_USE_PROFILE_GID
(FK: DOCUMENT_USE_PROFILE)VARCHAR2(101) INSERT_USERVARCHAR2(12
NOT NULL INSERT_DATEDATENOT NULL UPDATE_USERVARCHAR2(12
UPDATE_DATEDATE