I can keep a v4 in my head, briefly. v6 not so much. Or shout one across a room to someone. Of course that’s due to the relatively small amount of information

I can keep a v4 in my head, briefly. v6 not so much. Or shout one across a room to someone. Of course that’s due to the relatively small amount of information it contains and having a larger address space is always going to break that.