Splunk Search

CIDR Blocks in a lookup table

xvxt006
Contributor

Hi,

i have CSV file for a IP lookups. Question is can i use a CIDR block in the csv file? and when search time will splunk be able to see all the individual IPs from that Blcok.

Companyname IP
Company XXX 63.122.163.0/27
Company YYY 63.123.345.23

Tags (1)
0 Karma

gkanapathy
Splunk Employee
Splunk Employee

Yes you can. If you look at the lookup configuration section in the transforms.conf file documentation, you'll see there is a setting match_type which you can set to CIDR(IP) or CIDR(fieldname) in general.

0 Karma

xvxt006
Contributor

Can i specify both CIDR blocks and regualr IPs in the same file in the same file if i have match_type as CIDR(IP)..

0 Karma

xvxt006
Contributor

Thank you. i will look into the documentation.

0 Karma
Get Updates on the Splunk Community!

Detecting Remote Code Executions With the Splunk Threat Research Team

WATCH NOWRemote code execution (RCE) vulnerabilities pose a significant risk to organizations. If exploited, ...

Enter the Splunk Community Dashboard Challenge for Your Chance to Win!

The Splunk Community Dashboard Challenge is underway! This is your chance to showcase your skills in creating ...

.conf24 | Session Scheduler is Live!!

.conf24 is happening June 11 - 14 in Las Vegas, and we are thrilled to announce that the conference catalog ...