Data as of Nov 3, 2026
Autonomous system
AS263356
CNT Fiber
Announces 2,048 addresses in 15 prefixes. None of it is anonymizer space.
Type
Internet provider
BR
Proxy activity, 30 days
443 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 191.37.72.0/21 since Oct 2019 | Residential | 441 85 always on | |
| 191.37.72.0/22 since Oct 2019 | Residential | 308 61 always on | |
| 191.37.72.0/23 since Oct 2019 | Residential | 136 28 always on | |
| 191.37.72.0/24 since Sep 2016 | Residential | 8 | |
| 191.37.73.0/24 since Sep 2016 | Residential | 128 28 always on | |
| 191.37.74.0/23 since Oct 2019 | Residential | 172 33 always on | |
| 191.37.74.0/24 since Sep 2016 | Residential | 27 3 always on | |
| 191.37.75.0/24 since Sep 2016 | Residential | 145 30 always on | |
| 191.37.76.0/22 since Oct 2019 | Residential | 133 24 always on | |
| 191.37.76.0/23 since Oct 2019 | Residential | 116 24 always on | |
| 191.37.76.0/24 since Sep 2016 | Residential | 2 | |
| 191.37.77.0/24 since Aug 2016 | Residential | 114 24 always on | |
| 191.37.78.0/23 since Oct 2019 | Residential | 17 | |
| 191.37.78.0/24 since Aug 2016 | Residential | 17 | |
| 191.37.79.0/24 since Sep 2016 | Residential |
Residential-proxy exposure
Always-on exits
85
19% of its exits
Spread
7
/24s with at least one exit
Providers
84
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 191.37.75.0/24 | 30 | 145 | |
| 191.37.73.0/24 | 28 | 128 | |
| 191.37.77.0/24 | 24 | 114 | |
| 191.37.74.0/24 | 3 | 27 | |
| 191.37.78.0/24 | 0 | 17 | |
| 191.37.72.0/24 | 0 | 8 | |
| 191.37.76.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LightningProxies
- LudaxProxy
- MangoProxy
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NiuProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateByte
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS263356, day by day
554K observations
Network & history
Profile
- Registered
- Mar 18, 2014
- Domain
- cntfiber.com.br
- Website
- www.cntfiber.com.br
- Industry
- Internet Service Provider (ISP)
Routing patterns
How its announcements have moved
Arrivals