I meant to say, the other anonymisation option is to use a keyed hash. Either the key is kept safe, or if you only need to be able to correlate IP's within a single data set which is being created, then delete the key once you're done.
I meant to say, the other anonymisation option is to use a keyed hash. Either the key is kept safe, or if you only need to be able to correlate IP's within a single data set which is being created, then delete the key once you're done.