With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bstunRoutePortsGroup
Cisco Blocked Serial Tunneling Route Ports Group
1.3.6.1.4.1.9.9.35.3.2.11
A objects providing port number informaton information about BSTUN defined routes for BIP and APIP protocols.
Back to CISCO-BSTUN-MIB MIB page.
IPHost Network monitor allows you to monitor bstunRoutePortsGroup 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.