[sdnog] How does RIR un-allocate IP resources

Hiba Eltigani higba6 at gmail.com
Fri Jan 23 22:49:16 SAST 2015

Hi Tarig,
    Yes IRR is not part of the RIR business but given that allocated
resources are routed over the Internet, RIRs do their best to make sure
that reclaimed resources doesn't have any associated objects in any
registry that used in Internet. The notion is that these resources will be
re-allocated again and they want to make sure that the new holder will not
have troubles.
     So, as the trustee for allocating resources;they can request from IRR
to delete objects showing their whois database records as a proof.
On Jan 23, 2015 10:38 PM, "tariq198487" <tariq198487 at hotmail.com> wrote:

> Hi Hiba
> You have mentioned here IRR. Why IRRs are not part of RIR?
> So the only practicle way for RIR is to delete the LIR/Enduser records
> from its whois database.
> Regards,
> --
> Tarig Yassin
> Hiba Eltigani <higba6 at gmail.com> wrote:
> Hello Samir
>    RIRs usually have differenet policies to reach the stage where they
> have to un-allocate resources. I think in Afrinic case, member will have to
> be overdue for around 2 years and he will be notified by different means
> including e-mail, post and sometimes phone before the process start.
>     RIRs use their publicaly accessed whois databases as a proof of
> allocation and based on that some providers cross-check routes received to
> make sure that related resources are actually allocated and not hijacked.
> So, as part of un-allocation RIR will make the resources free in the
> database and this might result in providers stopping advertising the routes
> automatically, that is not the common case .
> Most of the RIRs usually make checks to insure reclaimed resources are not
> visible in Internet nor have associated objects in any Internet Routing
> Registry. If it is, then they contact the providers which in most of cases
> withdraw the routes.
>    In addition there are some entities provide reports on such hijacked
> resources to the public, i just can't recall the report name.
> BR
> On Jan 22, 2015 7:25 PM, "Samir S. Omer" <samir.saif at sudren.edu.sd> wrote:
>> Greetings all,
>> as we know from the internet ecosystem that operators and companies or
>> enterprises obtains their IP addresses from their LIR or RIR (as the case
>> in Sudan) in exchange for a certain fees.
>> I was wondering in the case of AFRINIC if one of its members failed to
>> pay the bill or had any issue that required that its IP resources to be
>> un-allocated.
>> what is the mechanism that AFRINIC can take to do so? if the members is
>> already announcing his prefixes to the internet, is there some sort of
>> "black list" ?
>> can AFRINIC (or RIR generally) completly un-allocate addresses from that
>> member and shut down his BGP announcment to the internet ?
>> is may be a simple question, but I really dont know how its done.
>> Regards,
>> Samir
>> --
>> [image: SudREN] <http://www.sudren.edu.sd>
>> Samir Abdullatif / Head of Electronic Services Unit
>> SudREN
>> http://www.sudren.edu.sd
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