With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
faCOATable
fa COA Table
1.3.6.1.2.1.44.1.5.1.1
A table containing all of the care-of addresses (COAs) supported by the foreign agent. New entries can be added to the table. The order of entries in the faCOATAble is also the order in which the COAs are listed in the Agent Advertisement.
Back to MIP-MIB MIB page.
IPHost Network monitor allows you to monitor faCOATable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.