What makes a CIDR lookup? - Splunk Community

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We are meeting with the vendor for a demo and they asked that we fix a CIDR lookup. What should be in a CIDR lookup?

https://docs.splunk.com/Documentation/SplunkCloud/8.0.0/Knowledge/Usefieldlookupstoaddinformationtoy...

matchtype CIDR(fieldname) and your field needs to be IN CIDR notation.

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