With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpVlanGeneralGroup
hp Vlan General Group
1.3.6.1.4.1.11.2.14.11.5.1.3.1.3.1.1
A collection of objects that provide general information about a configured VLAN. The organization of this group is such that it is assumed that all devices supporting VLANs associate an RFC 1573 interface with a VLAN even if only to allow default node-to-VLAN assignment.
Back to hpprocurve-v2-hpvlan MIB page.
IPHost Network monitor allows you to monitor hpVlanGeneralGroup on Hewlett Packard 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.