IX.br is the Internet exchange point system of Brazil.

It is a project of the government agency Comitê Gestor da Internet no Brasil (Brazilian Internet Steering Committee, CGI.br), and operates as a non-profit funded by NIC.br.

[1] IX.br is an interconnection of metropolitan area network IXPs (called PIXes in Brazil) with commercial and academic networks, under centralized management.

[2] The most important IXP points are located in São Paulo with a traffic peak over 22 Tbit/s, and Fortaleza and Rio de Janeiro at around 4 Tbit/s each.

[3][4][5] The São Paulo point is the largest in the world, both by traffic volume and number of participants, with more than 2400 ASNs in late 2024.