The Internet2 Guest Account is a service provided by Cirrus Identity. It enables people who do not have an InCommon-member organizational identity provider to access resources provided through Internet2 Identity Services.
The creation of the guest account is a separate process from the Internet2 Account Registration. Creating a guest account will redirect your browser to the Cirrus Identity Domain who is a trusted partner of Internet2.
Cirrus Identity is responsible for the guest account establishment, verification, and assurance.