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Last name Cust (Cust
, Каст
) , in the entire world, is a common surname. The family name Cust is habitual in Pakistan, where it is quite a rare surname, Australia, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Pakistan, Australia, and the United States. Much less frequently, Cust is the forename as well as the last name.