Dear Colleagues, During the Address Policy Working Group session at RIPE58, statistics were requested about the number and size of IPv4 PI prefixes that the RIPE NCC has assigned over the last few years. NOTE: The numbers for 2009 contain data up to May 2009. 2005 2006 2007 2008 2009 /16 0 1 0 0 1 /17 0 1 1 0 0 /18 1 2 3 10 1 /19 3 7 4 12 7 /20 25 28 23 44 14 /21 51 56 89 100 26 /22 260 261 261 402 111 /23 385 464 778 571 159 /24 726 897 973 1046 292 /25 10 22 8 8 5 /26 7 6 8 5 0 /27 5 8 7 7 2 /28 0 8 0 1 0 /29 2 1 0 8 0 Total 1475 1762 2155 2214 618 Please let us know if you require any further information. Best regards, Alex Le Heux RIPE NCC