With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
configedSubnetMask
configed Subnet Mask
1.3.6.1.4.1.11.2.3.9.3.1.2.3
The subnet mask configured for the Ethernet interface on this terminal. The active value for this field is set at startup. After startup a different value can be saved to terminal memory without being used, therefore the value returned via SNMP is not necessarily the value currently in use.
Back to hp-700rx MIB page.
IPHost Network monitor allows you to monitor configedSubnetMask 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 mobile switches right now.