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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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Ticking away the moments that make up a dull day
Fritter and waste the hours in an offhand way
Kicking around on a piece of ground in your hometown
Waiting for someone or something to show you the way

Tired of lying in the sunshine		And then one day you find
Staying home to watch the rain		Ten years have got behind you
You are young and life is long		No one told you when to run
And there is time to kill today		You missed the starting gun

And you run and you run to catch up with the sun but it's sinking
And racing around to come up behind you again
The sun is the same in a relative way but you're older
Shorter of breath and one day closer to death

Every year is getting shorter		Hanging on in quiet desperation
						is the English way
Never seem to find the time		The time is gone, the song is over
Plans that either come to nought	Thought I'd something more to say...
Or half a page of scribbled lines
		-- Pink Floyd, "Time"
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It's UNIX baby, yeah!

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