The following Shibboleth federations are supported: 

• France (RENATER)
• Germany (DFN-AAD)
• Japan (GakuNin)
• UK Access Management Federation
• Australia (AAF)
• Austria (ACONet)
• Ireland (Edugate)
• Switzerland (SWITCH AAI)
• The Netherlands (Surfnet)

A full list of supported federations can be found at https://technical.edugain.org/status.php.