I'm also interested in this topic (since I was 17 and didn't lose interest in twenty years). Recently, I've created a hobby project - the atlas of the Internet:

I'm also interested in this topic (since I was 17 and didn't lose interest in twenty years). Recently, I've created a hobby project - the atlas of the Internet: https://reversedns.space/ https://reversedns.space/ I'm posting here because it might be interesting for you. How it was built: https://presentations.clickhouse.com/meetup85/app/index.html https://presentations.clickhouse.com/meetup85/app/index.html