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Re: Operational Issues with 184.108.40.206/8...
> That is a good point, but you are talking about a periodic notification > when new blocks are allocated. Michael is talking about an automated feed > of all unallocated blocks. I'm talking first of all, about a directory listing all the unallocated space that people can query. Secondly, I'm suggesting that this same set of data could be published by ARIN using BGP to make it easier for people to monitor changes. > If we were to invert this and say that ARIN > will provide a list of all blocks that are allocated to it, then that might > be worth doing. I specifically suggested that ARIN provide a list of unallocated blocks because otherwise everyone else has to suck down the entire database of allocated blocks and invert it themselves. If they screw up their inversion algorithm that creates further problems. In an ideal world, IANA would provide a top-level LDAP directory of the entire IPv4 address space with referrals for each large allocation to the RIR LDAP servers just like the DNS delegates a domain to other DNS servers. But it is just as workable for the 4 RIRs to work out some other way of synchronizing the top level of the IPv4 address space and for all 4 of them to publish the entire data set in their local (topologically speaking) servers. > However, I get back to my original question. For people who insist on > filtering unallocated address space, is it too much to ask that they either > subscribe to NANOG, or potentially subscribe to an RIR-specific > announce-only mailing list for such things? Yes. This is the 21st century. Mailing lists are a 19th century technology (memorandums) dressed up with a bit of 20th century technology. We can do better. If we can create routing protocols that dynamically distribute routing topology data, then we can surely come up with an automated way of distributing the IPv4 allocation data. People who are scared of automation can insert the human being inside their own domains of control. But let's use some network protocols for the core distribution of the data. > It seems really silly to me > for the registries to spew a mailing to their entire contact database just > to reach a handful of people who actually do route filtering. Yes, spewing out email to solve a simple database synchronization problem seems counter-productive to me. Even a plain ASCII text file mirrored with rsync polling would be a vast improvement over email. But LDAP is proving to be the direction that the world is moving in for this type of directory service so why not leverage the tools and expertise that are available out there? -- Michael Dillon