DOD prefixes and AS8003 / GRSCORP

William Herrin bill at
Sun Apr 25 22:59:46 UTC 2021

On Tue, Mar 16, 2021 at 3:01 AM Owen DeLong via NANOG <nanog at> wrote:
> On Mon, Mar 15, 2021 at 3:35 PM Mel Beckman <mel at> wrote:
>> I think one cause for concern is why “almost all DOD prefixes (,, and bunch of /22s) are now announced under AS8003 (GRSCORP) which was just formed a few months ago,”

> I’m also not of the same belief as you that GRSCORP was just formed a few months ago.

It's not unusual to create a "cutout" or shell company to hold the
network resources when the (larger) defense contractor wants to keep
its identity dissociated from the Internet activity.

Bill Herrin

William Herrin
bill at

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