How to collect the ip address of a site visitor?

Question

Computer networks

How to collect the ip address of a site visitor? I want to collect ip addresses and block them in Google Adwords.

Answer 1

You will need
1) Hands to write the code in the chosen language
2) Database to store IP addresses
3) and understanding how the web server works =)

Answer 2

The ip address of the site visitor allows you to see the Matomo analytics system, you can use it: https://matomo.org/