??? ??? ?? ???? ????? ???? ??? ?? ??????.???? ??? ?????. ???? ???? ?? ???? ???? ???? ?? ?? ??, ???? ???? ???? ???? ?? ???? ?? ???? ??? ???? ????.??? ???? ??? ??? ? ??? ???? ??????. ?? ? ??? ???/?/?? ??? ??? ?? ? ????.MAC addresses are assigned to vendors by the IEEE. The IEEE assigns MAC addresses from a novel block of addresses to distributors, wh