[address-policy-wg] Cleaning up Unused AS Numbers
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Patrick Velder
lists at velder.li
Fri Mar 24 08:02:48 CET 2017
Hi, +1. Please do the same for IPv4 space ;-) Regards Patrick On 23.03.2017 13:18, Laurens Hoogendoorn wrote: > > > Dear colleagues, > > As previously mentioned at RIPE 73, we are planning a project to clean > up unused AS Numbers. You can find this presentation here: > https://ripe73.ripe.net/archives/video/1456/ > > According to ripe-679, "Autonomous System (AS) Number Assignment > Policies" if an organisation no longer uses as AS Number, it should be > returned to the free pool so it can be reassigned: > https://www.ripe.net/publications/docs/ripe-679 > > There are currently around 6,600 ASNs in our service region (held or > sponsored by 2,682 LIRs) that are not being advertised in the routing > system. This represents around 22% of the ~30,000 ASNs assigned by the > RIPE NCC. > > There are a number of legitimate reasons why an ASN might not be > advertised in the routing system. However, it is also possible that > the holder doesn't exist anymore or the ASN is no longer needed. Not > only should unused ASNs be returned, but it's important to clean up > out of date registrations, which affect the quality of data in the > RIPE Registry. > > > Our Proposal > > We plan to email the LIR or sponsoring LIR for each unannounced ASN > and ask if the resource is still needed. We will group together ASNs > that are sponsored or held by the same LIR to minimise the number of > emails. > > We will ask if the ASN is currently being used or if there are plans > to start using the ASN in the coming three months. Organisations can > always request a new ASN in the future if they need one. > > If we do not receive a reply or if the ASN will not be used within > three months, we will start the process of returning the ASN to the > free pool. The deregistration process will take three months, during > which time the LIR can still indicate that the ASN is needed. If the > ASN is still needed, the validity of the assignment (such as the > multihoming requirement) will not be re-evaluated. > > We do not expect any significant cost or impact on other services, as > most of this process will be automated and we will not need to > re-evaluate the assignments. Contacting all relevant LIRs will take > less than six months. > > Please review this proposal and send any comments or other feedback > before Thursday 6 April to <address-policy-wg at ripe.net>. > > Regards, > > Laurens Hoogendoorn > Registration Services > RIPE NCC > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.ripe.net/ripe/mail/archives/address-policy-wg/attachments/20170324/630bb5e4/attachment.html>
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