Internet Explorer 6 China and South Korea. A common criticism of Internet Explorer is of the speed at which fixes are released after discovery of the security problems. Microsoft attributes the perceived delays to rigorous testing. A posting to the Internet Explorer team blog on August 17, 2004 explained that there are, at minimum, 234 distinct releases of Internet Explorer that Microsoft supports (covering more than two dozen languages, and several different revisions of the operating system and browser level for each language), and that every combination is tested before a patch is released. In May 2006, PC World rated Internet Explorer 6
Internet Assigned Numbers Authority was created to assume the responsibility under a United States Department of Commerce contract. Following ICANN's transition to a global multistakeholder governance model, the IANA functions were transferred to Public Technical Identifiers, an affiliate of ICANN. In addition, five regional Internet registries delegate number resources to their customers, local Internet registries, Internet service providers, and end-user organizations. A local Internet registry is an organization that assigns parts of its allocation from a regional Internet registry to other customers. Most local Internet registries are also Internet service providers. IANA is broadly responsible for the allocation of globally unique names and numbers