US Patent Issued to AT&T Intellectual Property I on Aug. 19 for "Discovering unused internet protocol version 4 address blocks" (New Jersey Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,395,463, issued on Aug. 19, was assigned to AT&T Intellectual Property I LP (Atlanta).

"Discovering unused internet protocol version 4 address blocks" was invented by Xiaowen Mang (Morganville, N.J.) and Anestis Karasaridis (Oceanport, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed technology is directed towards locating and counting unused nodes, such as free Internet Protocol version 4 (IPv4) address blocks. A hierarchical structure of nodes is created from an origin block to a specified lower level, and the hierarchical structure is processed using mapping and eliminating to locate free nodes. A first node group comprises node(s) i...