Though there is no "public" access to the data in the Centrale Rischi, you can have it going in person to the Bank of Italy, the issue is that - if you find an error/mistake - it must be corrected by the bank/agency/whatever that made the erroneous entry, and this can sometimes be a nightmare, not so much with banks, but with smallish financial service agancies (that might have - in the meantime - changed property or going in default, etc.).
https://www.bancaditalia.it/statistiche/raccolta-dati/centra...
and I believe that in the end (now it is partial/experimental/in the works AFAICU) there will be an European Registry at the BCE (Anacredit):
https://www.ecb.europa.eu/stats/money_credit_banking/anacred...
Though there is no "public" access to the data in the Centrale Rischi, you can have it going in person to the Bank of Italy, the issue is that - if you find an error/mistake - it must be corrected by the bank/agency/whatever that made the erroneous entry, and this can sometimes be a nightmare, not so much with banks, but with smallish financial service agancies (that might have - in the meantime - changed property or going in default, etc.).