With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsDevNmAccessIpMask
DOCSIS Device Nm Access Ip Mask
1.3.6.1.2.1.69.1.2.1.3
The IP subnet mask of the network management stations. If traps are enabled for this entry, then the value must be 0.0.0.0. Implementations MAY recognize 255.255.255.255 as equivalent to 0.0.0.0.
Back to DOCS-CABLE-DEVICE-MIB MIB page.
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