DN42 Network

What is DN42?

DN42 is a decentralized network that mimics the structure of the Internet. It's a playground for network enthusiasts to experiment with routing protocols, network design, and inter-domain networking in a real-world-like environment without affecting production systems.

Learn more at dn42.eu.

My Network Information

• ASN: AS4242420257
• Maintainer: SCARJIT-MNT
• Contact: ferdinand@linnenberg.dev
• Network Map: View on iEdon DN42 Map

Allocations

• IPv4: 172.20.13.0/27
• IPv6: fd30:366:4000::/48

Router IPs

• IPv4: 172.20.13.1
• IPv6: fd30:366:4000::1

Peering with Me

Prerequisites

• WireGuard tunnel support
• BGP daemon (Bird2, FRRouting, etc.)
• Valid DN42 registry objects (mntner, person, AS, inetnum/inet6num)
• ROA objects registered in the DN42 registry for your prefixes

My Endpoint

• Public IPv6: 2a0a:a543:d3f3:80:be24:11ff:fe5d:a0dc
• WireGuard Public Key: BsU2BEUpd6aqPqCAyU5kFakuOPRi8i5Ou6v6WJKXEXY=

How to Peer

1. Contact me at ferdinand@linnenberg.dev
2. Exchange information:
   • Your ASN
   • Your WireGuard public key
   • Your WireGuard endpoint (IP:port)
   • Tunnel IPs you'd like to use (link-local or private)
   • I will send you my WireGuard port
3. Configure WireGuard tunnel
4. Set up BGP session using tunnel IPs
5. Test connectivity and route exchange

Peering Policy

• Open peering policy - happy to peer with anyone in DN42
• ROA validation enforced - Only routes with valid ROA entries will be accepted
• IPv4 and IPv6 (prefered) BGP sessions supported
• Multi-protocol BGP over IPv6 supported
• BFD supported
• Latency under 500ms prefered
• I do not have uptime guarantees

Resources

• DN42 Registry: https://git.dn42.dev/dn42/registry
• My Registry Objects: Search for SCARJIT-MNT in the registry