Identifying when netblocks have been assigned

Frank Bulk frnkblk at
Sat Sep 13 12:52:17 CDT 2008

When I do that it lists the organization's AS, but not any netblocks
associated with that AS.


-----Original Message-----
From: Jake Mertel [mailto:jake at] 
Sent: Saturday, September 13, 2008 10:50 AM
To: Frank Bulk
Cc: nanog at
Subject: Re: Identifying when netblocks have been assigned


Add the > operator in front of the organizations ARIN ID when you do
your WHOIS query and it will show all of the resources allocated to that


Jake Mertel
Nobis Technology Group, L.L.C.

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
> 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?
> Frank

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