With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
natAddrMapTable
nat Addr Map Table
1.3.6.1.2.1.123.1.4
This table lists address map parameters for NAT.
Back to NAT-MIB MIB page.
IPHost Network monitor allows you to monitor natAddrMapTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.