Who uses the Exchanges?

For each Exchange, there's an automatically generated list of the participants available for those who wish to negotiate bilateral agreements or contact peers for other reasons:

• Who uses the APE?
  
• Who uses the HIX?
  
• Who uses the DPE?
  
• Who uses the PNIX?
  
• Who uses the WIX?
  
• Who uses the 3CIX?
  
• Who uses the CHIX?

• Who uses the APE6?
  
• Who uses the WIX6?