I think the point you were trying to make is that just because the IPv4 addresses are valued at $2B doesn't mean you'd be able to get $2B for them if you tried

I think the point you were trying to make is that just because the IPv4 addresses are valued at $2B doesn't mean you'd be able to get $2B for them if you tried to sell them. This is correct, but it does not imply that they are worth less than $2B. The point I was trying to make is that just because the IPv4 addresses are valued at $2B doesn't mean you'd be able to buy them for $2B.