Re: using ARIN assigned address in Asia

[Arnd Vehling <av () nethead de>]

Hello,

Kenji Anzai wrote:
> Our client has IP address space that was originally assigned from ARIN.
> Their address space is a big enough to separate to /20 each.
> [..]
> They would like to use front half (/20) in North America.
> And, they would like to use the other half of the address space (/20) in
> Asia.

By using i.e. announcing ip-ranges < /19 you risk beeing filtered by one 
of the major ISPs.

I wouldnt recommend splitting it up in 2 * /20. 

regards,

  Arnd
-- 

NetHead                         Network Design and Security
Arnd Vehling                    av () nethead De
Gummersbacherstr. 27            Phone: +49 221 8809210
DE-50679 Cologne                Fax  : +49 221 8809212