Socket#openでエラーが出たらIPアドレスを記録するようにしてみたよ。ちゃんとできてるかしら
https://github.com/zunda/mastodon/commit/5e728833e5af8b5a246364a2c4219611ece3adfe
github.comLog IP address for a network error · zunda/mastodon@5e72883GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.