On Sat, 13 Sep 2008, Frank Bulk wrote: > Perhaps there's no answer to this, or it's obvious and I ought to know. > How can I find out when ARIN or the applicable registry has assigned a block > to a certain organization, and I don't know the block, just the > organization. > If that's not possible, is there a site/way that has a timeline for the > first time a certain AS announced a block? Those are both very simple reports to run from PCH's existing databases and data-feeds. The only tricky part is how you specify the organization name... Are you planning on using the RIR OrgID, or an exact-match on the organization name, or a substring or regex match? Or would you like something that tries to map through origin AS? -Bill