[arin-ppml] An article of interest to the community....
jcurran at arin.net
Wed Aug 31 15:58:10 EDT 2011
On Aug 31, 2011, at 2:18 PM, Seth Mattinen wrote:
> If one is auctioning IPv4 address space, wouldn't it be safe to say it's
> unused? Wouldn't (non-legacy) unused space normally just be returned to
Hypothetical Small College received a /16 from ARIN in order
to put all their offices and dorms on the Internet in 1998.
Recently, they've realized that they probably requested too
much space long ago, and have also not used in efficiently
(due to reserving significant fixed sized address blocks for
each and every building on campus.) The good news is they've
figured out how to overlap multiple address blocks on single
network segments (which they had to learn one the first huge
building appeared), and have a plan which would let them redo
the entire campus to fit in single /19 address block, or maybe
an /18 total (with another /19 reserved for long-term growth.
Alas, because of the renumbering involved, they'd need to
bring in a lot of help one weekend, and spend probably $25K
to $50K getting it done. If they can somehow renumber, free
up the "extra" space, and end up another $150K to let them
buy a new 10gig core switch, then it's a big win overall...
Is their space unused? They can't possibly free it up
without first doing a significant amount of effort, but
they have every reason to list some portion of their IP
block for auction (as long as they are clear about the
timing on delivery.)
President and CEO
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