With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
natAddrBindType
nat Addr Bind Type
1.3.6.1.2.1.123.1.6.1.7
This object indicates whether the bind is static or dynamic.
Back to NAT-MIB MIB page.
IPHost Network monitor allows you to monitor natAddrBindType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.