Network

AS40271 San Francisco Metropolitan Internet Exchange (SFMIX)

Autonomous system number
AS40271
Registered in
US
Registry
ARIN
ASN registered
2024-09-11
IPv4 prefixes announced
2
IPv6 prefixes announced
1
Internet exchanges
1
Data centres
9

Prefix counts from the global routing table as of 2026-10-03. Exchange and data-centre counts are what the network lists in PeeringDB. Website: ip.sfmix.org

See how AS40271 San Francisco Metropolitan Internet Exchange (SFMIX) actually connects

Upstreams and peers, traceroute paths through it, where it hands off to its transit providers, routing history and alerts - free with an account, and queryable from Claude, ChatGPT and other AI agents through the BGPScout MCP server.

Open the full network page