ARIN's new allocations from IANA


ARIN received the IPv4 address blocks /8 and /8 and /8 from the IANA on June 17, 2005. In the near future, ARIN will begin making allocations from these new blocks. This will include allocations of /20 and shorter prefixes, according to ARIN’s minimum allocation policy.

You may wish to adjust any filters you have in place accordingly.

For informational purposes, a list of ARIN’s currently administered IP blocks can be found under “CIDR Blocks” at:


Leslie Nobile

Director, Registration Services

American Registry for Internet Numbers (ARIN)