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PAIX, the Peering And Internet eXchange, is a neutral Internet exchange point operated by Equinix.

PAIX began operations in 1996 as Palo Alto Internet Exchange in Palo Alto, California, and was owned and operated by Digital Equipment Corporation, or DEC. In its early days, it used a DELNI as its interconnection infrastructure.[1]

AboveNet acquired PAIX, and later sold it to Switch and Data around the time that AboveNet filed for chapter 11 bankruptcy protection. Equinix acquired PAIX from Switch and Data April 2010.

Switch and Data provides peering and Internet exchange points in Atlanta, Georgia; Dallas, Texas; Miami, Florida; New York City, New York; Palo Alto, California; Philadelphia, Pennsylvania; San Jose, California; Seattle, Washington; and Vienna, Virginia; among other places.[2]


  1. ^ "NANOG post by Stephen Stuart: "Re: DELNI"". Apr 18, 2009. Retrieved 2011-08-08. 
  2. ^ "Internet Exchange". Equinix. Retrieved 2010-08-21.