Gert, You should probably change 2001:500::/32 to 2001:500::/30. This is now documented at http://www.arin.net/registration/ipv6/micro_alloc.html. Regards, Mat

-----Original Message----- From: ipv6-wg-admin@ripe.net [mailto:ipv6-wg-admin@ripe.net] On Behalf Of Gert Doering Sent: 12 December 2003 13:11 To: Jeroen Massar Cc: nanog@nanog.edu; ipv6-wg@ripe.net Subject: Re: [ipv6-wg@ripe.net] 2001:1700::/27 / CH-SUNRISE-20031124, check your prefix filters

Hi,

...

At 2003-11-24 RIPE allocated 2001:1700::/27. ISP's doing IPv6 prefixlenght filtering should watch out

On Wed, Dec 10, 2003 at 10:42:22PM +0100, Jeroen Massar wrote: that they are

...

not filtering out the above prefix [..] Easiest way to avoid problems is to regulary check: http://www.space.net/~gert/RIPE/ipv6-filters.html

Thanks for pointing that out to me :-) - I have made the accompanying text more explicit regarding the already-allocated /31 and /27.

Gert Doering -- NetMaster -- Total number of prefixes smaller than registry allocations: 57386 (57785)

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