AS12276
San Francisco Metropolitan Internet Exchange (sfmix) — sfmix.org
Summary
| Country |
 United States
|
| Organization | San Francisco Metropolitan Internet Exchange (sfmix) |
| Domain | sfmix.org |
| Number of IPv4 | 256 |
| Number of IPv6 | 2.0552× 1025 |
| AS Type | ISP |
| Registry | ARIN |
| Allocated | June 04, 2007 (about 18 years ago) |
| Updated | June 12, 2014 (about 11 years ago) |
IP Ranges
AS12276 announces 1 IPv4 range and 2 IPv6 ranges.
That's a total of 256 IPv4 addresses and 2.0552× 1025 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 192.33.255.0/24 |
San Francisco Metropolitan Internet Exchange (sfmix)
|
256 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2620:11a:b000::/44 |
San Francisco Metropolitan Internet Exchange (sfmix)
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2620:11a:b000::/48 |
San Francisco Metropolitan Internet Exchange (sfmix)
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
AS12276 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS12276 connects to the global Internet via at least 3 upstream providers. In this setup, AS12276 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS12276 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.