(Internet Corporation for Assigned Names and Numbers, www.icann.org) A non-profit, international association incorporated in the U.S. in 1998. ICANN coordinates all the Internet's naming, addressing and protocol systems, and it accredits domain name registrars. For a list of more than a thousand active registrars worldwide, visit www.icann.org/en/registrars/accredited-list.html. ICANN's Internet Assigned Numbers Authority (IANA) operating unit maintains the official repositories of data and function definitions pertaining to domains, addressing and protocols (see IANA). See IGF and how to register a domain name.

  ICANN ACCREDITED DOMAINS

  Top                    O-perator
  Level                   or
  Domain  Purpose        S-ponsor

 .com     Commercial     O-Verisign
 .net     Networks       O-Verisign
 .org     Organizations  O-Public Interest Registry

 .aero    Aviation       S-SITA
 .asia    Asia           S-DotAsia
 .biz     Business       O-NeuStar
 .cat     Catalan        S-Fundacio puntCat
 .coop    Cooperatives   S-Dot Corporation
 .info    Information    O-Afilias Ltd.
 .mobi    Mobile         S-mTLD Ltd.
 .museum  Museums        S-MuseDoma
 .name    Individuals    O-Global Name Registry
 .pro     Licensed       O-RegistryPro
 .tel     Contacts       O-Telnic Ltd.
 .travel  Travel         S-Tralliance Corporation