[arin-tech-discuss] Easy way to check if a block is legacy?

[Andy Newton]

Owen,

Both types of information are only available to the resource holder via ARIN Online.

The (L)RSA information was added in response to ACSP 2011.7 (https://www.arin.net/participate/acsp/suggestions/2011-7.html). The comment of 20 July 2011 on that ACSP describes the issues surrounding the unrestricted publication of this information.

I hope that helps.

Andy Newton,
Chief Engineer, ARIN



From: Owen DeLong <owen at delong.com<mailto:owen at delong.com>>
Date: Thursday, November 6, 2014 at 6:45 PM
To: Andrew Newton <andy at arin.net<mailto:andy at arin.net>>
Cc: "arin-tech-discuss at arin.net<mailto:arin-tech-discuss at arin.net>" <arin-tech-discuss at arin.net<mailto:arin-tech-discuss at arin.net>>
Subject: Re: [arin-tech-discuss] Easy way to check if a block is legacy?

Are they publicly viewable or only to the resource holder?

Owen

On Nov 6, 2014, at 10:43 AM, Andy Newton <andy at arin.net<mailto:andy at arin.net>> wrote:

Just to offer a little more information:

When organizations sign up for RPKI, they have the option to leave some of their resources out of the certification even if those resources are covered by an (L)RSA. For ROA scripting purposes, there is no easy way to determine if a resource is covered via our RESTful services. The only programmatic way to make that determination is to consult the RPKI itself by looking at the RFC 3779 extensions of the certificates in the repository.

However, both RPKI certification and (L)RSA coverage are viewable in ARIN Online.

Andy Newton,
Chief Engineer, ARIN

On Nov 6, 2014, at 11:34 AM, Tony Tauber <ttauber at 1-4-5.net<mailto:ttauber at 1-4-5.net>> wrote:

Hi John,

Is there a way to know which blocks that were legacy assignments are now covered by (L)RSA?
I'm assuming that if they have an (L)RSA, they may be candidates for associated ROAs.

Thanks,
Tony

On Thu, Nov 6, 2014 at 6:22 AM, John Curran <jcurran at arin.net<mailto:jcurran at arin.net>> wrote:
On Nov 6, 2014, at 11:06 AM, Aaron Hughes <aaronh at tcp0.com<mailto:aaronh at tcp0.com>> wrote:
>
> ARIN Tech Team,
>
> In scripting some ROA related stuff the question came up, how does one check to see if block is legacy. Is there a flag in restwhois to identify this?

Aaron -

An address block is legacy in origin if issued prior to ARIN's inception
on December 22, 1997.  Legacy address blocks may subsequently be covered
by an RSA or LRSA agreement, so scripting specifically on being issued
prior to ARIN's inception may to be fruitful.

FYI,
/John

John Curran
President and CEO
ARIN


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