As of February 2, 2022, The tax year 2021 version of IRS Publication Publication 590-B, Distributions from Individual Retirement Arrangements (IRAs), which contains the tables, has not yet been published.
However, you can find the draft version by typing 590-b into the search box on the IRS’ Draft Tax Forms page. The tables are in the draft document.
Please heed the Caution on the front page of the draft publication.
