With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cItpXuaInstLocalIpAddr
Cisco IP Transfer Point Xua Inst Local Ip Address
1.3.6.1.4.1.9.9.253.1.3.1.1.3
This object contains the local IP address used to create the association for ASPs connecting to the XUA instance specified by the cItpXuaInstPort.
Back to CISCO-ITP-XUA-MIB MIB page.
IPHost Network monitor allows you to monitor cItpXuaInstLocalIpAddr 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.