A salt will render rainbow tables useless, but AIUI will not prevent brute-forcing after the fact. IPv4 has ~4 billion addresses, which would be too expensive f

A salt will render rainbow tables useless, but AIUI will not prevent brute-forcing after the fact. IPv4 has ~4 billion addresses, which would be too expensive for data analytics but could be brute-forced if someone really wants this one piece of data in particular.