(2) DEADLINES FOR CERTAIN BLOCKS.—Of the IPv4 addresses described in subsection (b), the Secretary of Defense shall sell in accordance with paragraph (1)—
(A) one block referred to in such subsection, or an equivalent number of IPv4 addresses, by not later than two years after the date of the enactment of this Act; and
(B) one additional such block, or an equivalent number of IPv4 addresses, by not later than three years after the date of the enactment of this Act.