This new update adds Nuk3town map to all core and hardcore playlists rotation. On Monday of this week, Treyarch released Nuk3town as a free map for all players on PS4, Xbox One, and PC. In addition to now being in the regular rotation, there is a dedicated Nuk3town playlist that will be available till 10AM PT on March 28th under the Bonus category.
22.214.171.124.0 is a playlist update that adds Nuk3town into the rotation in most Core category playlists.
— David Vonderhaar(@DavidVonderhaar) March 23, 2016