Simple Minecraft mod that logs incoming client MOTD ping requests and saves them in logs.jsonl. Only for Minecraft 1.21.1, but may works for newer version too.
Example
{"timestamp":"2026-06-22T20:03:21.629165800Z","ip":"/127.0.0.1:51025"}
{"timestamp":"2026-06-22T20:03:27.059395200Z","ip":"/127.0.0.1:51044"}
{"timestamp":"2026-06-22T20:03:57.424389500Z","ip":"/127.0.0.1:59645"}
