Finally after all this time and people sending in complaints I guess AT&T decided to look at what they have blocked. I just received this e-mail. I am sure it is a result of Brent and CWs sending in a message to them.
We have received your request to be removed from our RBL.
After investigating the IP address provided, we have honored your
request and removed this IP address from our RBL.
Regards,
AT&T Internet Services Security Center
Edit: Thanks guys. Now if they will just leave it unblocked.
Ron