Probably, via "/opt/CSCOpx/bin/dcrcli cmd=imp fn=/path/to/device-list.csv ft=csv", mostly depending on what nifty stuff you do generating "device-list.csv".
Maybe there's a better way in LMS 3.x, but with LMS 2.x, you can always have a script "ping sweep" the target IP ranges, then only dump those IPs that respond to pings to the "device-list.csv" that dcrcli will import from.
You can do this in LMS 3.0.1 and higher. LMS 3.0.1 has a Device Discovery feature which will allow you to ping sweep a given network range, then import all SNMP-reachable devices into DCR. Versions of LMS prior to 3.0.1 only support a CDP discovery. You can still limit the network discovery to a certain range, but all devices in that range must be connected via CDP.
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