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swagg boi's (RFC 4193 compliant) IPv6 ULA prefix spitter-outter!!

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.

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I used to be such a sweet sweet thing, 'til they got a hold of me,
I opened doors for little old ladies, I helped the blind to see,
I got no friends 'cause they read the papers, they can't be seen,
With me, and I'm feelin' real shot down,
And I'm, uh, feelin' mean,
	No more, Mr. Nice Guy,
	No more, Mr. Clean,
	No more, Mr. Nice Guy,
They say "He's sick, he's obscene".

My dog bit me on the leg today, my cat clawed my eyes,
Ma's been thrown out of the social circle, and Dad has to hide,
I went to church, incognito, when everybody rose,
The reverend Smithy, he recognized me,
And punched me in the nose, he said,
(chorus)
He said "You're sick, you're obscene".
		-- Alice Cooper, "No More Mr. Nice Guy"
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