I have a Cisco ASA 5510 with a 5 block of IP addresses assigned from our ISP.  I am having issues with connectivity and routing traffic from the outside interface to the outside interface.  I have my outside interface set up with IP address of 24.182...

I have an ASA 5510 running version 8.3 and am having trouble with NAT.  Our ISP has given us a block of 5 IP addresses. 24.182.13.144/29.  two weeks ago everything was working fine, then for no reason one of our NAT rules to IP address 24.182.13.147 ...