Although IPv6 allocations have occurred sporadically over the past 6
years, an overwhelming majority (92.5%) of the allocations, in terms
of address space coverage, have been made in a surge in the recent 15
months (from May 2004 to the end of the studied period;
see Figure 1).
This recent acceleration in growth suggests increasing interest in IPv6.
RIPE and APNIC hold the majority (91.2%) of the allocations, with RIPE
holding 48.3% of the total 75,264 /32's and APNIC holding 42.9%. ARIN
holds 8.2%, and LACNIC holds less than 1% in a single /23 allocation,
which is equivalent to 512 /32's, allocated on Nov 1, 2002.
Figure 1. Breakdown by RIR of the global unicast
allocations (stacked plot).
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Detailed analysis can be found here: IPv6 Address Space Assignments to RIRs
Cooperative Association for Internet Data Analysis (CAIDA)