With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fnAdminMask
FORTINET Admin Mask
1.3.6.1.4.1.12356.100.1.2.100.2.1.4
The address prefix length (or network mask) applied to the fgAdminAddr to determine the subnet or host the administrator can access the device from
Back to FORTINET-CORE-MIB MIB page.
IPHost Network monitor allows you to monitor fnAdminMask on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet access points right now.