San Francisco Metropolitan Internet Exchange (SFMIX)
AS40271 is San Francisco Metropolitan Internet Exchange (SFMIX) (sfmix.org). It announces 768 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2024-09-11· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States768 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SFMIX-TRANSIT
- name
- San Francisco Metropolitan Internet Exchange (SFMIX)
- org
- SFMIES
- org name
- San Francisco Metropolitan Internet Exchange (SFMIX)
- org address
- PO Box 8243, Emeryville, CA, 94662
- org city
- Emeryville
- org country
- US
- country
- US
- source
- arin
- created
- 2024-09-11
- updated
- 2024-09-11
- abuse name
- SFMIX Technical Role Account
- abuse email
- tech-c@sfmix.org
- abuse phone
- +1-877-365-6246
- abuse kind
- role
- abuse city
- Emeryville
- abuse country
- US
- admin name
- Matt Peterson
- admin email
- matt+arin@peterson.org
- admin phone
- +1-510-315-1948
- admin kind
- person
- admin city
- Emeryville
- admin country
- US
- tech name
- Jonathan Lassoff
- tech email
- jof@thejof.com
- tech phone
- +1-415-215-2464
- tech kind
- person
- tech city
- San Francisco
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.26%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 149.112.115.0/24 | United States | valid | 17 | 2026-10-02 |
| 149.112.188.0/23 | United States | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:11a:b002::/48 | United States | valid | 19 | 2026-10-02 |
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