Gremlin098 - 6:21 am on Mar 1, 2008 (gmt 0)

Does anyone know how to get around the 20 IP limit on Adwords exclusion filter? I want to block large ranges of IPs from the major ISP in my area and the wildcard feature is limited to the last section of the IP. With the 20 IP per campaign limit, I can only block a few ranges.