Data as of Nov 10, 2026
Autonomous system
AS39961
San Francisco Department of Telecommunications and Information Services
Announces 58,368 addresses in 13 prefixes. None of it is anonymizer space.
Type
Business
US
Proxy activity, 30 days
11 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 208.121.0.0/24 since Jan 2014 | Business | ||
| 208.121.1.0/24 since Mar 2020 | Business | ||
| 208.121.5.0/24 since Oct 2016 | Business | ||
| 208.121.6.0/24 since Oct 2016 | Business | ||
| 208.121.32.0/20 since Aug 2018 | Business | 11 1 always on | |
| 208.121.48.0/20 since Aug 2018 | Business | ||
| 208.121.64.0/18 since Jan 2014 | Business | ||
| 208.121.128.0/17 since Jan 2014 | Business | ||
| 208.121.203.0/24 since Sep 2019 | Business | ||
| 208.121.224.0/24 since Oct 2016 | Business | ||
| 208.121.225.0/24 since Jul 2018 | Business | ||
| 208.121.226.0/23 since Aug 2018 | Business | ||
| 208.121.230.0/24 since Sep 2026 | Business |
Residential-proxy exposure
Always-on exits
1
9.1% of its exits
Spread
3
/24s with at least one exit
Providers
24
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 208.121.33.0/24 | 1 | 1 | |
| 208.121.35.0/24 | 0 | 6 | |
| 208.121.36.0/24 | 0 | 4 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- AnyIP
- B2Proxy
- BlurPath
- Bright Data
- Byteful
- CliProxy
- EnigmaProxy
- FastProxy
- FloppyData
- IPPeak
- LemonBright
- LudaxProxy
- NovProxy
- NovaProxy
- Oxylabs
- ProxyEmpire
- PuraRoute
- RainProxy
- ThunderProxy
- VantageProxies
- VitalExclusive
- WealthProxies
Proxy activity
Oct 11, 2026 – Nov 9, 2026
AS39961, day by day
1.6K observations
Network & history
Profile
- Registered
- May 24, 2006
- Domain
- sf.gov
- Website
- sf.gov
- Industry
- Government and Public Administration
Routing patterns
How its announcements have moved
Arrivals