With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwPathRemoteIp
Cisco's ASN Gateway Path Remote Ip
1.3.6.1.4.1.9.9.638.1.3.5.1.1.2
Path IP Address at the base station side.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwPathRemoteIp on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.