AS40271 San Francisco Metropolitan Internet Exchange (SFMIX) 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
768 (3 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
1
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS40271
- Name
- San Francisco Metropolitan Internet Exchange (SFMIX)
- Organisation
- ip.sfmix.org
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2024-09-11
- Network type
- NSP
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-SFMIX-TRANSIT
- Website
- https://ip.sfmix.org
- PeeringDB
- net/37534
- Exchanges
- 1
- Facilities
- 9
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 149.112.115.0/24 v4 | RPKI valid | 45 | 2448240271 | 2026-09-18 |
| 149.112.188.0/23 v4 | RPKI valid | 45 | 2448240271 | 2026-09-18 |
| 2620:11a:b002::/48 v6 | RPKI valid | 37 | 2448240271 | 2026-09-18 |