With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
slipMask
slip Mask
1.3.6.1.4.1.11.2.3.9.3.1.2.16
The subnet mask configured for the SLIP interface on this terminal.
Back to hp-700rx MIB page.
IPHost Network monitor allows you to monitor slipMask 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 switches right now.