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!

.conf24 | Day 0

Hello Splunk Community! My name is Chris, and I'm based in Canberra, Australia's capital, and I travelled for ...

Enhance Security Visibility with Splunk Enterprise Security 7.1 through Threat ...

(view in My Videos)Struggling with alert fatigue, lack of context, and prioritization around security ...

Troubleshooting the OpenTelemetry Collector

  In this tech talk, you’ll learn how to troubleshoot the OpenTelemetry collector - from checking the ...