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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.
/ \
/| , |\
/' | /( )\ | `\
/' \ | `~~~~~' | / `\
/' \ \ \ , / / / `\
/C \ | ___ | / C\
OC | `\ \ ` ' / /' | CO
OC / | __\_/~\ /~\_/__ | \ CO
Oo | \/' ` ' ' `\/ | oO
OC | | : | | CO
oOC /~~~\_ | ;,__,',__,; | _/~~~\ COo
oOC | \\ '\ _|_ /` // | COo
oOC | ~\ | _|_ | /~ | COo
oOC \ , \ \_______/ / , / COo
OC `\ \ \ \_____/ / / /' CO
O `\ \, \ \ / / ,/ /' O
O /~~\\ \\_\ |___| /_// /~~\ O
\ | `\, \ | | | | / ,/ | /
\ | / / ''' ``` \ \ | /
\| / / \ \ |/
`\ VVV~ ~VVV /' unk

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