[arin-ppml] IPv6 /32 minimum for extra-small ISP

Ted Mittelstaedt tedm at ipinc.net
Tue Apr 13 14:02:30 EDT 2010


The assumption has always been that if your an extra-small ISP that you 
obtain IP addressing from your LIR  (ie: upstream ISP)

It isn't the amount of numbers that your planning to use that is the

The problem is that even if you got an extremely small allocation that
as soon as you advertise it, you consume the same amount of routing
resources on everyone else's BGP router on the Internet, that someone
with a larger allocation has who is advertising theirs.  Thus it is not
fair to base pricing solely on the amount of numbering.

Current IPv4 pricing is based both on the amount of numbering and
the principle that we want to make the cost-per-number more expensive
for the smaller ISPs to discourage them from obtaining portable numbers,
and encourage them to use numbers from their upstream, this reduces
growth of the DFZ.  That is why pricing on a per-IP basis gets higher
the smaller the allocations that you have.

Of course, ARIN continually claims that larger allocations require
less maintainence and smaller allocations require more maintainence
and has ginned-up reports purporting to prove this, which is why the 
smaller allocations are more expensive on a per-IP basis, but we all 
know that this is baloney.  ARIN claims it's charter prevents them from 
using pricing as a tool to effect policy which is why the official
line from them on pricing is what it is, so they have to resort
to some creativity to arrive at a fair pricing.  But, setting that
aside, if you consider the pricing from ALL angles, not just your
own parochial one, you will understand why pricing MUST be more
of a burden for the smaller orgs.

I personally feel that IP pricing could stand to have some tweaks in
it, as the price-per-IP difference between the very largest allocations
and the smallest allocations is to rediculously large, but I certainly
do not think it should be flat across all sizes of allocations, and
I suspect if you think about this and realize that your own router
expenditures for your own router/routers are driven by what everyone 
else on the Internet gets, you will realize the wisdom of the current

Ted Mittelstaedt
Internet Partners, Inc.

On 4/13/2010 10:31 AM, Randy McAnally wrote:
> Why are extra-small ISP's with a /21 or /22 of v4 space forced to buy so much v6
> IP space and essentially double our fees?  I know there's a rebate in effect
> (for now) but regardless, I'm extremely displeased with this policy.
> --
> Randy
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