With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwPathLocalIpType
Cisco's ASN Gateway Path Local Ip Type
1.3.6.1.4.1.9.9.638.1.3.5.1.1.4
Path IP Address type at the ASN-GW side.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwPathLocalIpType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
