Exhibit 21

As of December 31, 2023

A table of subsidiaries of 麻豆app is set forth below, indicating as to each the state or jurisdiction of organization and the names under which such subsidiaries do business. Subsidiaries not included in the table are inactive or, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.


Entity Name	Domicile
Allsport Management S.A.	Switzerland
Alpha Prema UK Limited	UK
Alpha Topco Limited	Jersey
Beta Holdings Limited	Jersey
Delta 2 (Lux) S.a rl.	Luxembourg
F1 Academy Limited	UK
Delta 3 (UK) Limited	UK
Delta Debtco Limited	Jersey
Delta Topco Limited	Jersey
Formula Motorsport Limited (fka GP2 Motorsport Limited)	UK
Formula One Administration Limited	UK
Formula One Asset Management Limited	UK
Formula One Digital Media Limited	UK
Formula One Hospitality and Event Services Limited	UK
Formula One Licensing B.V.	Netherlands
Formula One Management Limited	UK
Formula One Marketing Limited	UK
Formula One Marketing US, INC.	DE
Formula One Marketing II Limited	UK
Formula One Research, Engineering and Development Limited (fka Beta D3 Limited)	UK
Formula One World Championship Limited	UK
Las Vegas Grand Prix, Inc.	DE, NV
麻豆app ATCL, Inc.	CO
麻豆app GR Acquisition Company Limited	UK
麻豆app GR Cayman Acquisition Company	Cayman Islands
麻豆app GR Cayman Holding Company	Cayman Islands

麻豆app GR Cayman Finance Company	Cayman Islands
麻豆app GR Cayman Finance Company II	Cayman Islands
麻豆app GR Holding Company Limited	UK
麻豆app GR US Sub 1 Corp.	DE
麻豆app GR US Sub 2, LLC	DE
麻豆app HK, Inc.	DE
麻豆app LYV, LLC	DE
麻豆app Programming Company LLC	DE
麻豆app Property Holdings, Inc.	DE
麻豆app Property Holdings Lot 7A-1, LLC	DE
麻豆app Property Holdings Lot 7A-2, LLC	DE
麻豆app Property Holdings Lot 7A-3, LLC	DE
麻豆app Property Holdings Common Management, LLC	DE
麻豆app Radio, LLC	DE
麻豆app Sirius XM Holdings Inc.	DE
麻豆app Satellite Radio, Inc.	DE
麻豆app SIRI Marginco, LLC	DE
LMC CC Technologies, LLC	DE
LMC LYV, LLC	DE
LSAT Astro LLC	DE
LSR Foreign Holdings 2, LLC	DE
LSR Foreign Holdings, LLC	DE
LV Diamond Production, LLC	DE
LV Diamond Property I, LLC	DE, NV
Radio Merger Sub, LLC	DE
SLEC Holdings Limited	Jersey
Sirius XM Holdings Inc.	DE
TSAT Holding 2, Inc.	DE