So I have some bad news for the author here: refusing to support IPv6 will leave him stranded in the Iron Age and unable to cope with the Internet as it is in 2

So I have some bad news for the author here: refusing to support IPv6 will leave him stranded in the Iron Age and unable to cope with the Internet as it is in 2023, and it will be even more so, going forward. At least punt to a slower parser function for IPv6.