which seems rather realistic
I thought you were saying groups of four hexadecimal digits in real-world
IPv6 addresses more often start with 0 than not. I extrapolated that
interpretation: "yet another distribution obeying Benford's law", I thought:
https://en.wikipedia.org/wiki/Benford%27s_law
Magic Banana's efficient script
Writing the prefixes with simple commands (rather than sed), may save some
CPU cycles:
$ prefix=2a02:2788; sample_size=1048576; od -A n -N $(expr 12 \*
$sample_size) -xw12 /dev/urandom | tr ' ' : | paste -d ''
