1. A database network router apparatus for data tokenization, the apparatus comprising: one or more processors; and one or more memories operatively coupled to at least one of the one or more processors and having instructions stored thereon that, when executed by at least one of the one or more processors, cause at least one of the one or more processors to: receive a database access request directed to a tokenized database, the tokenized database containing one or more tokenized data values; apply one or more rules to the request; rewrite the request based on at least one of the one or more rules, such that data values being added to the tokenized database will be tokenized data values, and data values received from the tokenized database will be non-tokenized data values; and transmit the rewritten request to the tokenized database.