With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
gbicVendorPN
gbic Vendor PN
1.3.6.1.4.1.3646.1300.2.15.3.1.12
The vendor part number (vendor PN) is a 16-byte field that contains ASCII characters, left-aligned and padded on the right with ASCII spaces (20h), defining the vendor part number or product name. A value of all zero in the 16-byte field indicates that the vendor PN is unspecified.
Back to ASKEY-HARDWARE-INFORMATION-MIB MIB page.
IPHost Network monitor allows you to monitor gbicVendorPN 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 WiFi routers right now.