Lost Parents

I added some new acl listing for new IP's we added and now my child cache
does not send any requests to the two parents. All three are on the same
class C and their IP's have not changed. Any ideas? Nothing in log files.
The child's cache.log looks like below:

1999/09/21 16:49:59| Restarting Squid Cache (version 2.2.STABLE4)...
1999/09/21 16:49:59| FD 5 Closing HTTP connection
1999/09/21 16:49:59| FD 21 Closing ICP connection
1999/09/21 16:49:59| Cache dir '/usr/local/squid/cache' size remains
unchanged a
t 1024000 KB
1999/09/21 16:49:59| helperOpenServers: Starting 8 'dnsserver' processes
1999/09/21 16:49:59| Accepting HTTP connections on port 3128, FD 5.
1999/09/21 16:49:59| Accepting ICP messages on port 3130, FD 18.
1999/09/21 16:49:59| Configuring Parent xylem1.greenapple.com/3128/3130
1999/09/21 16:49:59| Configuring Parent xylem2.greenapple.com/3128/3130
1999/09/21 16:49:59| Ready to serve requests.
Received on Tue Sep 21 1999 - 15:36:45 MDT