The Global Broadband Speed Test is collected by Ookla, which gathers data on mobile and broadband network speeds.
The dataset contains geospatial data of fixed and mobile performance statistics by fiscal quarter ranging from 2019 to 2024. Information may be found on Ookla's Open Data Initiative Website here. Ookla's datasets are public access via AWS S3 buckets; moreover, additional information regarding data location may be found here