This repository contains the data which fulfills the requirements of the Federal Communication Commission’s November 19 Further Notice of Proposed Rulemaking. It lists census blocks that are reported on the National Broadband Map as unserved by fixed broadband with advertised speeds of 3 Mbps downstream and 768 kbps upstream. The data relies on the current version of the National Broadband Map, using data as of December 31, 2011.