good morning ingrid,

>> ISPs who exchange routing information with other ISPs at multiple
>> locations and operate without default routing may request space
>> directly from the regional registry in its geographical area.
>
> it has been fairly well measured that 70% of ASs have some form of
> default.  so kiss a whole bunch of member LIRs goodbye and recover
> some precious IPv4 address space or fix that wording.  i recommend
> the latter.

to be really clear on this one, see my preso from ripe/praha
    http://archive.psg.com/100505.ripe-visibility.pdf
and the paper

R Bush, O Maennel, M Roughan, S Uhlig, "Internet Optometry: Assessing
the Broken Glasses in Internet Reachability", ACM SIGCOMM Internet
Measurement Conference, November 2009.
<http://archive.psg.com/optometry.pdf>

"operate without default routing" is just not what's happening.

randy