Data as of Nov 3, 2026
Autonomous system
AS40510
Southern Fiber Worx
Announces 4,352 addresses in 8 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Proxy activity, 30 days
50 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 38.66.221.0/24 since Jan 2018 | Residential | 5 1 always on | Cogent Communications, LLC | |
| 38.66.233.0/24 since Jan 2018 | Residential | 1 | Cogent Communications, LLC | |
| 38.66.248.0/24 since Jan 2018 | Residential | 3 1 always on | Cogent Communications, LLC | |
| 38.66.252.0/23 since Jul 2018 | Residential | Cogent Communications, LLC | ||
| 104.250.244.0/22 since Aug 2021 | Residential | 6 1 always on | ||
| 131.143.0.0/23 since Sep 2026 | Residential | 2 | ||
| 131.143.2.0/23 since Sep 2026 | Residential | |||
| 170.39.120.0/22 since Jan 2021 | Residential | 33 10 always on |
Residential-proxy exposure
Always-on exits
13
26% of its exits
Spread
12
/24s with at least one exit
Providers
74
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 170.39.121.0/24 | 6 | 12 | |
| 170.39.123.0/24 | 3 | 10 | |
| 170.39.120.0/24 | 1 | 7 | |
| 38.66.221.0/24 | 1 | 5 | |
| 38.66.248.0/24 | 1 | 3 | |
| 104.250.244.0/24 | 1 | 1 | |
| 170.39.122.0/24 | 0 | 4 | |
| 104.250.246.0/24 | 0 | 2 | |
| 104.250.247.0/24 | 0 | 2 | |
| 131.143.0.0/24 | 0 | 2 | |
| 38.66.233.0/24 | 0 | 1 | |
| 104.250.245.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- FuseProxy
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- Kookey
- LemonBright
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- MoMoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PacketStream
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- VantageProxies
- VitalExclusive
- WealthProxies
- YumiProxy
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS40510, day by day
51K observations
Network & history
Profile
- Registered
- Dec 20, 2017
- Domain
- southernfiberworx.com
- Industry
- Internet Service Provider (ISP)
Routing patterns
How its announcements have moved
Arrivals