Splunk Search

Auto Lookup CIDR

jgillman
Explorer

I have created a csv lookup file that looks like this
computerip Sitename
10.89.64.0/24 Test Site

Then I went through set up a auto lookup and lookup definitions and set the permissions to global.
In the Match Type I put CIDR(computerip)

When I run the code

| makeresults | eval ip="10.89.64.11" | lookup fultonip.csv computerip as ip OUTPUT SiteName | table ip SiteName

I get no results.
I am not sure what I am doing wrong. Any help would be appreciated.

Tags (1)
0 Karma
1 Solution

starcher
Influencer

Because you are referencing the filename.csv that is not a lookup definition. You must use the definition name to get the lookup definition features.

View solution in original post

starcher
Influencer

Because you are referencing the filename.csv that is not a lookup definition. You must use the definition name to get the lookup definition features.

Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Introducing ITSI 5.0: Unified Visibility and Actionable Insights

Introducing ITSI 5.0: Unified Visibility and Actionable Insights Tuesday, July 21, 2026  |  10:00AM PT / ...

Inside Splunk Agent Observability: Understanding Agent Behavior, Tokens & Costs

Inside Splunk Agent Observability:Understanding Agent Behavior, Tokens & Costs Thursday, August 06, ...

From Data to Insight: Announcing the Winners of the Splunk Dashboard Contest

Hi Splunkers, First off, thank you to everyone who participated in our very first From Data to Insight: The ...