I think it means that ARIN will only give you a /20.
But don't worry, I have a /23 and I am globally routable.
MGR
"Benny Leong (HTHK - Senior Engineer II - iServices Development, NNSD)" wrote:
> >From the ARIN, there is a statement shown below :
>
> *The minimum block of IP address space assigned by ARIN is a /20. Smaller
> blocks obtained directly from ARIN are the least likely to be globally
> routable.
>
> What does that mean ? Thanks.
>
> ----------
> From: Spolidoro, Guilherme [SMTP:[EMAIL PROTECTED]]
> Sent: Monday, September 25, 2000 9:15 PM
> To: '[EMAIL PROTECTED]'
> Subject: RE: RADB - BGP routing
>
> You can find a lot of information about RADB on the RADB.net web
> site. The
> problem is that I never found some examples or explanations on how
> large
> ISPs use the information stored on the IRRd servers on real life.
> Maybe
> somebody with more experience could comment about that.
>
> Anyway, RADB runs an IRRd server that is used to store each ISP
> routing
> policy, for example: what are your AS numbers, your networks, what
> networks
> you'll accept from ISP xxx or what networks you're going to
> advertise to ISP
> wwww (just two simple examples). You write your policy using a
> specific
> language (like an script) that can be used to configure the BGP on
> your
> NAP/MAE routers.
>
> There are serveral IRRd servers and RADB.net host the "official" one
> for the
> US. RIPE has another server for Europe and some ISPs have their own
> server.
> I'm not sure why an ISP would want to have his own IRRd server, but
> my guess
> is that they probably use that information to know what are their
> customers's BGP policies for them, i.e. what networks their
> customers will
> advertise for them so they can configure the BGP filters properly.
>
> I know of at least one ISP that won't accept any advertisement from
> their
> customers unless register on the RADB IRRd server.
>
> It's my opinion that since everybody can use the information on the
> IRRd
> servers as they want, it's always good to keep it up to date so you
> don't
> have somebody blocking your networks because you didn't register
> your latest
> policy there.
>
> Good luck.
>
> -----Original Message-----
> From: Benny Leong (HTHK - Senior Engineer II - iServices
> Development,
> NNSD) [mailto:[EMAIL PROTECTED]]
> Sent: Monday, September 25, 2000 2:09 AM
> To: '[EMAIL PROTECTED]'
> Subject: RADB - BGP routing
>
> What is the use of RADB ?
> Is it a must to register AS number and the route to the RADB ?
>
> **NOTE: New CCNA/CCDA List has been formed. For more information go
> to
> http://www.groupstudy.com/list/Associates.html
> _________________________________
> UPDATED Posting Guidelines:
> http://www.groupstudy.com/list/guide.html
> FAQ, list archives, and subscription info: http://www.groupstudy.com
> Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
>
> **NOTE: New CCNA/CCDA List has been formed. For more information go
> to
> http://www.groupstudy.com/list/Associates.html
> _________________________________
> UPDATED Posting Guidelines:
> http://www.groupstudy.com/list/guide.html
> FAQ, list archives, and subscription info: http://www.groupstudy.com
> Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
>
> **NOTE: New CCNA/CCDA List has been formed. For more information go to
> http://www.groupstudy.com/list/Associates.html
> _________________________________
> UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
> FAQ, list archives, and subscription info: http://www.groupstudy.com
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
**NOTE: New CCNA/CCDA List has been formed. For more information go to
http://www.groupstudy.com/list/Associates.html
_________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
