Quarterly and annual data and forecasts for Internet Service Providers (ISPs) in Belgium. It offers an overview of active ISPs and provides quarterly broadband subscriber numbers, net subscriber additions, share of net subscriber additions and growth in subscribers by each ISP in Belgium, as well as annual and quarterly market shares. All tables detail the corporate parent, network and access technologies by ISP. The workbook also includes a tab with list of definitions and an overview of our methodology and data sources.