DAZN, which secured the rights to screen Serie A matches in Italy for three seasons to 2024 in a 2.5 billion euro ($2.96 billion) deal, said it had recorded more than 4 million viewers for live Serie A games in the first two match days in August.
"The authority has opened an inquiry into the data viervership methodology," AGCOM head Giacomo Lasorella told a parliamentary hearing.
($1 = 0.8442 euros)
(Reporting by Elvira Pollina; editing by Agnieszka Flak)