United States

AS12276

San Francisco Metropolitan Internet Exchange (SFMIX) Unknown registered in United States

1IPv4 prefixes
2IPv6 prefixes
100%RPKI-valid
#16,499AS Rank
327/327RIS visibility
#7,302Rank in United States
2007-06-04Allocated

San Francisco Metropolitan Internet Exchange (SFMIX) (AS12276) — Unknown, registered in United States. announces 1 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #7302. Allocated: 2007-06-04.

Announced prefixes · 3

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 1 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 1 2 3 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-123
2026-06-133

Internet Exchanges · 1

  • SFMIX San Francisco 2 Gbps

Facilities · 2

AS topology · Customer cone 1

Providers · 3

Peers · 5

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge AS12276 on ipdex

Markdown

[![AS12276 on ipdex](https://ipdex.io/badge/asn/12276.svg)](https://ipdex.io/asn/AS12276/)

HTML

<a href="https://ipdex.io/asn/AS12276/"><img src="https://ipdex.io/badge/asn/12276.svg" alt="AS12276 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/12276" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.