[Apologies for duplicate mails]
The RIPE NCC received the IPv4 address ranges 5/8 and 37/8 from the
IANA in November 2010. We will begin allocating from these ranges in the
The minimum allocation size for these two /8s has been set at /21.
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:
Additionally, please note that three "pilot" prefixes will be announced
from each /8. The prefixes are:
They all originate in AS12654.
More information on this "pilot" activity is available in the draft
document "De-Bogonising New Address Blocks" which can be found at:
Registration Services Manager