[db-wg] RDAP Conformance Level "cidr0"

Dear Benjamin,

The “origin as” as observed via ARIN RDAP is a difficult-to-use relic from
the past. The concept of “Autonomous System Originations” pre-dates IRR and
RPKI. It was the best possible solution at that time; but since then
superior solutions became available.

I submitted a policy proposal to deprecate this functionality in full:
https://www.arin.net/participate/policy/drafts/2021_8/

Perhaps a different approach applicable to your objectives is to merge RDAP
information with RPKI derived information (both in JSON format). Through
this path one can achieve both a more fine-grained granularity (RPKI ROAs
can be configured at routing boundaries, rather than assignment
boundaries), and have greater assurances the information was produced by
the Internet Number Resource holder.

A frequently updated JSON formatted view on the RPKI can be found here:
https://console.rpki-client.org/vrps.json (this kind of file can also be
produced by installing an RPKI validator on your own infrastructure).

Kind regards,

Job

On Wed, 26 Jan 2022 at 12:19, Benjamin Pereto via db-wg <db-wg at ripe.net>
wrote:

> Dear RIPE DB wg,
>
> The RDAP for querying ip and network information on rdap.db.ripe.net is
> really useful.
>
> Currently you support the rdapConformance level "rdap_level_0" and this is
> missing the CIDR or Prefix Information about the Length/Mask.
>
> Other RIR have implemented a rdap conformance level "cidr0" for this:
> * https://rdap.arin.net/registry/ip/9.9.9.9
> * https://rdap.apnic.net/ip/1.1.1.1
>
> with the desired information:
> "cidr0_cidrs": [
> {
> "v4prefix": "1.1.1.0",
> "length": 24
> }
> ]
>
> Information about the Origin ASN is also available by arin with
> "arin_originas0", which is also very helpful, but the format seems to be
> arin specific and not standardized.
>
> May I suggest to also implement the cidr0 level, or even additionally the
> "origin as" for the RIPE DB RDAP?
>
> Kind regards,
> Benjamin
> --
>
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