With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
moduleIPAddressVlan
module IP Address Vlan
1.3.6.1.4.1.9.5.1.3.1.1.23
object reports the VLAN to access that IP address on. Otherwise this object has a value of zero.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor moduleIPAddressVlan on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.