With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3IpCtrlIfIndex
Switch L3 Ip Control If Index
1.3.6.1.4.1.171.11.70.5.3.2.1.3.1.2
This object uniquely identifies the IP interface number in the swL3IpCtrlTable.
Back to DES3612-SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3IpCtrlIfIndex 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.