With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgrtRouteEntry
Cisco IP Transfer Point GRT Route Entry
1.3.6.1.4.1.9.9.334.1.2.3.1
Each table entry represents a configured route statement.
Back to CISCO-ITP-GRT-MIB MIB page.
IPHost Network monitor allows you to monitor cgrtRouteEntry 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.