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I mean, those numbers would be significant to an American with some grasp of history. That doesn't seem like the same thing as memorizing 5 random 4 digit numbers.

I agree though that IPv6 has some human factor problems. You can actually use IPv4 addresses in it like ::10.0.0.1 - that's valid IPv6 if you wanted to use it on your own networks at least.

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Sure, this was a class at an American university, the context of those particular numbers is important as an example, but the exercise likely transfers to other relevant dates in other countries. At the core of it though is that arguably there are IPs (numbers) in any org that might be worth committing to memory because systems can and do fail, and for humans it seems to me that encoding IPv4 is inherently easier than encoding IPv6. My (untested) hypothesis is that this may be at least somewhat of a contributing factor to the slowness of IPv6 adoption (IMO the other more prevalent one being the market factors re. IPv4 scarcity). I just thought it was an interesting parallel to share.

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