With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCasaAffinityCacheSrcTable
Cisco Casa Affinity Cache Source Table
1.3.6.1.4.1.9.9.122.1.4.1
Table of Fixed Affinity cache entries. The number of entries for the specific Casa Entity is given by cCasaAffinityCacheNumOf.
Back to CISCO-CASA-MIB MIB page.
IPHost Network monitor allows you to monitor cCasaAffinityCacheSrcTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.