bgp-scout is a tool written in Rust that allows you to find all of the prefixes advertised by a set of AS numbers
Example code: https://github.com/jgowdy/bgp-scout/blob/main/src/main.rs
I’ve been working on rewriting the C++ layer of the asherah-node NAPI addon, and migrating it to cmake rather than node-gyp
Example code: https://github.com/godaddy/asherah-node/blob/main/src/asherah.cc