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I got bored playing with html forms today and what I ended up with is this nifty form that turns a given MAC address into a /48 IPv6 ULA prefix. The form POSTs this string to a cgi script which is essentially a quick re-write of the first Perl script I ever wrote (just added some html cruft to the STDOUT). I got the idea for the first script since I couldn't find a simple way to generate an ULA from my terminal. I had to open up a browser and find other similar web-based tools with a web search but several of these didn't seem to really follow the RFC, i.e. printing out a /64 instead of a /48 or printing out the prefix with no MAC address or even a field to give it one. Maybe some wayward network nerd standing up an IPv6 lab will find this useful :)
Limit of 1,208,925,819,614,629,174,706,176 ULA addresses per customer.
The challenge of space exploration and particularly of landing men on the moon represents the greatest challenge which has ever faced the human race. Even if there were no clear scientific or other arguments for proceeding with this task, the whole history of our civilization would still impel men toward the goal. In fact, the assembly of the scientific and military with these human arguments creates such an overwhelming case that in can be ignored only by those who are blind to the teachings of history, or who wish to suspend the development of civilization at its moment of greatest opportunity and drama. -- Sir Bernard Lovell, 1962, in "The History of Manned Space Flight"

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