Splunk Search

Filter Email Address Country of Origin Using Lookup

griffins
Explorer

Assume I have a simple search that lists in a table the email addresses of those who recently sent an email:

index=email | table sender

 The email index does not have a field that identifies the country the sender address is from; however, it is known that the listed sender addresses are from many different countries. If I have a lookup that contains all the email addresses located in the US using the format:

email country
address1@mail.com US
address2@mail.com US
...

 How can I filter my search results to only contain sender email addresses from those located in the US (based off of the lookup), while also adding a field to the table that shows US?

Labels (1)
0 Karma
1 Solution

anilchaithu
Builder

@griffins 

you can use something simple like this

 

index=email | table sender | lookup lookup_name email as sender output country | dedup country

 

OR you can try with subsearch. Since the query only searches the senders from the lookup you can add country as US

 

index=email [ | inputlookup lookup_name | rename email as sender | table sender | format] | eval country="US" | table sender country 

 

 

Hope this helps 

View solution in original post

anilchaithu
Builder

@griffins 

you can use something simple like this

 

index=email | table sender | lookup lookup_name email as sender output country | dedup country

 

OR you can try with subsearch. Since the query only searches the senders from the lookup you can add country as US

 

index=email [ | inputlookup lookup_name | rename email as sender | table sender | format] | eval country="US" | table sender country 

 

 

Hope this helps 

griffins
Explorer

@anilchaithu This works great! Thank you so much.

0 Karma
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!

SOK it to Me: Top 3 Benefits of Using Splunk Operator on Kubernetes that’ll Make ...

    Thursday, July 9, 2026  |  11:00AM–12:00PM PDT Duration: 1 hour (includes Q&A) Managing can feel like a ...

Upgrade Prep for 10.4, Network Observability Deep Dives, and More from Splunk Lantern

Splunk Lantern is Splunk’s customer success center that provides practical guidance from Splunk experts on key ...

Splunk Developer Day announcements: AI agents, MCP tools, Forecasting, and Custom ...

Splunk Developer Day was packed with product and platform updates for developers building in the AI ...