// Peering
BGP Communities Networking RTBH RFC 8092 Internet Infrastructure Network Engineering Routing Policy IXP Peering

BGP Communities: The Feature Everyone Ignores

BGP communities ship on every router. Most operators use three of them. Large communities, RFC 8092, selective announcement, RTBH signaling — the full feature set sits untouched in most networks.

Rene Fichtmueller / 2026-05-27 / ~2 min read min read
Open Source Networking BGP RPKI PeerCortex ASPA Network Intelligence Internet Infrastructure Routing Security Health Check Peering

PeerCortex: Why I Built a Network Intelligence Platform

70,000+ networks. 13 health checks. One tool that didn't exist — so I built it.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read