The Free On-line Dictionary of Computing (30 December 2018):

Commercial Internet eXchange

    (CIX) The CIX is a non-profit, 501(c)6,
   trade association coordinating Internet services.  Its
   member organisations provide TCP/IP or OSI data
   internetwork services to the general public.  The CIX gives
   them unrestricted access to other worldwide networks.  It also
   takes an interest in the development and future direction of
   the Internet.

   The CIX provides a neutral forum to exchange ideas,
   information, and experimental projects among suppliers of
   internetworking services.  The CIX broadens the base of
   national and international cooperation and coordination among
   member networks.  Together, the membership may develop
   consensus positions on legislative and policy issues of mutual
   interest.

   The CIX encourages technical research and development for the
   mutual benefit of suppliers and customers of data
   communications internetworking services.  It assists its
   member networks in the establishment of, and adherence to,
   operational, technical, and administrative policies and
   standards necessary to ensure fair, open, and competitive
   operations and communication among member networks.  CIX
   policies are formulated by a member-elected board of
   directors.

   (http://cix.org/).

   (1995-01-13)