The IANA IPv4 registry has been updated to reflect the allocation of four /8s in recent weeks. Firstly, two /8s were allocated to RIPE NCC in May 2010:
31/8 RIPE NCC 2010-05 whois.ripe.net ALLOCATED
176/8 RIPE NCC 2010-05 whois.ripe.net ALLOCATED
Secondly, two /8s were allocated to LACNIC in June 2010:
177/8 LACNIC 2010-06 whois.lacnic.net ALLOCATED
181/8 LACNIC 2010-06 whois.lacnic.net ALLOCATED
You can find the IANA IPv4 registry at:
Please update your filters as appropriate.
There are now 16 unallocated unicast IPv4 /8s.
Number Resources Manager, IANA