With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cItpXuaAspRemoteIpAddr
Cisco IP Transfer Point Xua Asp Remote Ip Address
1.3.6.1.4.1.9.9.253.1.6.1.1.3
This object contains the remote IP address used to create the association supporting this ASP.
Back to CISCO-ITP-XUA-MIB MIB page.
IPHost Network monitor allows you to monitor cItpXuaAspRemoteIpAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.