For HTTP/web server logs: goaccess using the free db-ip database will give you country-level geolocation info.

For other connections (SSH etc.), setup a Graylog instance, send all your logs to it using rsyslog over TLS, setup pipelines to extract IP addresses from the messages, and setup the GeoIP plugin (https://graylog.org/post/how-to-set-up-graylog-geoip-configuration/). It's not a small task though. My ansible roles for goaccess and graylog.

The less straight forward way is to put a Middleware To query the IP with some geoIP site the get the info.

nginx+ supports geoIP blocking as well, there may be a free version of this feature

I think the most straightforward way to collect these info would be to use Cloudflare as the DNS for your domains, which allows for a good deal of analytics.

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

6 acronyms in this thread; the most compressed thread commented on today has 8 acronyms.

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