With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmiFaRegVisitorHomeAgentAddress
Cisco Mobile IP Foreign Agent Registration Visitor Home Agent Address
1.3.6.1.4.1.9.9.174.1.1.1.2.1.4
Home agent IP address for that visiting mobile node.
Back to CISCO-MOBILE-IP-MIB MIB page.
IPHost Network monitor allows you to monitor cmiFaRegVisitorHomeAgentAddress 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.
