http://y5wnzw4e6i7srm2gqadlow5anhlaj5avdkzbwzbmrxwkygxdp7ffieqd.onion/blog/noticer-noticing-ipv6.html
What this means is, when banning IPv6 addresses, there are a lot more devices that could connect to you from the same house. For some reason my main computer has two IPv6 addresses. One stays static and the other changes but I am unsure of the frequency of changes. If/when IPv6 becomes the de facto standard, the implications of this can be... spooky.