akamai technologies

I get a lot of blocked events like the following, with the last octet of the IP address varying:

 

3/2/10 5:14 PM : Blocked Web site: http://65.199.63.87/send/<!--%20GUID%20for%20al... [Uncategorized]

 

I did a whois and found that this block belongs to akamai technologies.  If I understand correctly, other companies/isp's use Akamai to cache/server data.  Is there some way to turn this off or know what the true category of this destination is? 

 

I also get a lot of these:

 

3/2/10 6:07 PM : Blocked Web site: http://69.16.184.200/crossdomain.xml [Uncategorized]

 

The address block above is registered to Highwinds Network Operations Center.   It seems like it may be a similar service.