North American Network Operators Group
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Re: NANOG/IEPG/ISOC's current role
- From: Curtis Villamizar
- Date: Fri Apr 05 01:03:31 1996
In message <9604041959.AA10553@butler.ncube.com>, Vadim Antonov writes:
> Avi Freedman <freedman@netaxs.com> wrote:
> >Unless they have a real plan & need to get about 128 buildings full of
> >100 machines/building online, it's a lost cause. You already need a
> >/18 to be heard from Sprint in >= 207/8. Unless you're a customer of
> >Sprint.
>
> And if you're a customer of Sprint you'll get aggregated in something
> like /14.
Not if you are a customer looking for portable address space.
> --vadim
Number of prefixes covered by 205/8 to 208/8 with length >18
advertised to AS1673 (preferred route only - I think this will come
down to AS path length):
number AS Number > 19: Number > 20:
1 293
2 2685 1 293 1 293
3 3407 2 2685 2 2685
15 1740 14 1740 14 1740
23 1324 23 1324 23 1324
25 174 25 174 25 174
27 2551 27 2551 27 2551
64 1 64 1 60 1
109 1665 109 1665 107 1665
458 701 432 701 406 701
716 690 686 690 676 690
950 1239 763 3561 720 3561
1095 3561 926 1239 897 1239
Look how comes out announcing the most long prefixes in the TWD. At
least the other providers that announce them accept them from their
peers. There were 3795 prefixes covered by 205/8 to 208/8 and
growing, mostly small very difficult or impossible to further
aggregate prefixes.
Curtis
ps- Number of TWD prefixes with length <= 18 by border AS:
1 1664
1 1665
1 3407
2 1324
4 174
4 1740
6 2551
10 1
28 701
54 690
78 1239
118 3561
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