With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bstunRouteGroupIndex
Cisco Blocked Serial Tunneling Route Group Index
1.3.6.1.4.1.9.9.35.1.4.1.1.1
The index of the BSTUN Group owning this station.
Back to CISCO-BSTUN-MIB MIB page.
IPHost Network monitor allows you to monitor bstunRouteGroupIndex 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.