With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoAtmSwAddrTable
cisco Atm Switch Address Table
1.3.6.1.4.1.9.9.51.1.1
This table contains an address list on a per switch basis.
Back to CISCO-ATM-SWITCH-ADDR-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoAtmSwAddrTable 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.