ARIN to Issue from 173 /8 and 174 /8

Tue Apr 15 18:35:41 UTC 2008

Hello-

ARIN was issued the IPv4 address blocks 173 /8 and 174 /8 by the IANA on 
4 February 2008.  

ARIN will be issuing /20 and shorter prefixes from these blocks to 
customers within the next 2 weeks.  Network operators may wish to adjust 
any filters in place accordingly.

For informational purposes, a list of ARIN's currently administered IP 
blocks can be found at:

http://www.arin.net/reference/ip_blocks.html

Regards,

Leslie Nobile
Director, Registration Services
American Registry for Internet Numbers (ARIN)