As we know with all this new GDPR, the IP Anonymization settings are more common in our Google Analytics settings.
The question is, how to exclude IPv6 addresses by using IP Exclusion filters in Google Analytics if the IP Anonymization value is set to
The IP anonymisation feature in Analytics sets the last octet of IPv4 user IP addresses and the last 80 bits of IPv6 addresses to zeros in memory shortly after being sent to the Analytics Collection Network.
How much are the last 80 bits and how for example, this IPv6 will look like if the last 80bits are set to 0?
The IPv6 example is from Wikipedia page.
Here is an example of IPv4 anonymisation: Something very similar happening with IPv6. The filter in Google Analytics is applied in the Storage & Processing step, so filter must be based on anonymised IP.