With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpAltNetMask
dvmrp Alt Net Mask
1.3.6.1.3.62.1.1.8.1.3
The subnet mask of the alternate subnet.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpAltNetMask on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link switches right now.
