ASN's and Prefixes missing from IPv6 table

Henk Uijterwaal henk at ripe.net
Tue Mar 14 11:55:41 CET 2006


Stephan, others,

>We have noticed a sudden drop in the prefix size of the IPv6 RIB and the
>number of origin ASN's in the IPv6 network
>
>Prefixes suddenly down from ~800+ to ~720
>ASN's down from ~603 to 569
>
>This activity has taken place in the last few weeks (see
>http://bgp.potaroo.net/v6/as6447/
>http://bgp.potaroo.net/v6/as1221/
>for a comparison)
>
>Has anyone else noticed this ?

So do we (RIPE NCC ris, www.ripe.net/ris ):

Date       Prefixes
04/01/2006 5123
20/01/2006 6258
04/02/2006 5169
20/02/2006 5623
28/02/2006 5484
07/03/2006 4294


>Has anyone noticed v6 reachability no longer working to some sites ?
>Does anyone know if there has been a 'break' or 'restructure' or 'rehoming'
>activity take place recently ? (Was there a 'big' 6BONE turn off ?)

My guess is the latter.  Fortunately, I have an intern who can look
at things like this.  I'll have him dig a bit further.

Henk



>Any info would appreciated (on or off list)
>
>Cheers
>
>--
>Stephan Millet
>Telstra Internet Networking Development
>IPv6 Experimental Network
>http://vee-six.telstra.net

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