SORBs

Jon Lewis jlewis at lewis.org
Wed Jul 6 15:22:24 UTC 2005


On Wed, 6 Jul 2005, Sanfilippo, Ted wrote:

> Regarding the aggregation/deaggregation mess. This is due to the fact
> that ARIN is rather strict with IP assignements and how we route
> internally.
> Because ARIN wants us to use 80% of our ip blocks, before we can request
> new assignments from them we have to dole out addresses in /22's to each
> city we have, in order to use them up appropriately. Its been a bit of a

Are you saying you have POPs in dozens of cities and do not have your own
network connecting them, but instead buy transit from verio, cogent, and
at&t in each city and announce /22 subnets to them from each of these POPs
using the same (15270) origin ASN with ASN loop detection disabled?

 > nightmare trying to meet ARIN's policies and also try to meet the
> Internet Communities policies. Believe me, I would much rather advertise
> a /16 prefix out to the Internet, rather then a /22. We have not been
> able to accommodate this unfortunately.
>
> -----Original Message-----
> From: Jon Lewis [mailto:jlewis at lewis.org]
> Sent: Wednesday, July 06, 2005 10:31 AM
> To: Sanfilippo, Ted
> Cc: nanog at merit.edu
> Subject: Re: SORBs
>
> On Wed, 6 Jul 2005, Sanfilippo, Ted wrote:
>
> > Does anyone know of an easier way to remove IP blocks from a
> blacklist?
> > We received a /16 from ARIN in May and have been trying to get SORB's
> > to remove the blacklist association on these addresses. They seem to
> > take forever to remove the blacklist association.
>
> --- 06Jul05 ---
> ASnum  	 NetsNow	  NetsAggr	  NetGain	  % Gain
> Description
> AS15270    311	            59	            252	           81.0%
> AS-PAETEC-NET - PaeTec.net -a division of PaeTecCommunications, Inc.
>
> Any chance of this deaggregation mess getting cleaned up?
>
> I've contacted sorbs on your behalf, assuming the /16 concerned is
> 63.138.0.0/16.  This raises a question that interests me as someone who
> had to deal with recently bogon space last time I got ARIN space.
>
> 63/8 was assigned to ARIN in 1997.  Much of it appears to have been
> assigned to ARIN members in the late 90s and very early 2000's.  How did
> Paetec happen to get a /16 from 63/8 in 2005?  Was this recently
> reclaimed from some defunct company (which could explain the sorbs dul
> listing), and Paetec just got lucky?
>
> ----------------------------------------------------------------------
>  Jon Lewis                   |  I route
>  Senior Network Engineer     |  therefore you are
>  Atlantic Net                |
> _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
>

----------------------------------------------------------------------
 Jon Lewis                   |  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________



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