I am trying to filter out "my own" aka "internal" traffic as a new View in Google Analytics.

I was able to filter out my own traffic by excluding my IPv6 address, but not by excluding by public IPv4 address or block. I can see a successful and unsuccessful filter by watching the real-time reporting on content (urls).

How does Google Analytics go about registering the IP address of visitors, exactly? Does it prioritize IPv6 over IPv4, or, does it take both?


  • AFAIK, GA looks at the public IP address and is able to take either format, so you shouldn't be having any problems filtering by either IPv4 or IPv6. – nyuen Jul 21 '15 at 15:33

Scenario 1: IPv4 only


Scenario 2: IPv6 only


Scenario 3: IPv4 + IPv6 dual stack client AND IPv4 server

  • Client will fetch resources from server using IPv4.
  • Client will hit Google Analytics using IPv6.

IPv6 Filtering Conclusion

Google Analytics will always abbreviate/shorthand the IPv6 address, so the corresponding filter must also target the abbreviate/shorthand expression of an IPv6 address or block. Note: this is not an official notice, it's just a conclusion based on experimentally trying different representations of an IPv6 exclude filter.

  • The reason my initial attempts at writing a filter failed was because my filter regex was not fully in abbreviate/shorthand form.
  • When dual-stack is a possibility, filter for both IPv4 and IPv6 blocks.

Sample solution

I just had an experience where I had to figure out how to filter out an IPv6 block, excluding a /56 range. The solution was in fact perfectly straightforward string matching regex.

  • Solution -- ^1234:abcd:5:6..:.*$
  • A little more clear for human eyes -- ^1234[:]abcd[:]5[:]6..[:].*$

To figure that regex out, I just used a calculator like so -- https://www.ultratools.com/tools/ipv6CIDRToRangeResult?ipAddress=1234%3Aabcd%3A5%3A600%3A%3A%2F56

Note the two period "." symbols after the 6, used to cover the 00-ff range; followed by a wildcard to match everything else.

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