Dear Colleagues, The RIPE NCC received the IPv6 address range 2001:1600::/23 from the IANA in July 2003. You may wish to adjust any filters you have in place accordingly. More information on the IP space administered by the RIPE NCC can be found on our web site at: <http://www.ripe.net/ripe/docs/smallest-alloc-sizes.html> Kind regards, -- leo vegoda RIPE NCC Registration Services Manager