Data as of Nov 3, 2026
191.37.72.0/21
443 residential-proxy exits · 30 daysCNT Fiber
Residential-proxy exits
Proxy exits
443
22% of its addresses · 30 days
Always-on exits
85
19% of its exits
Spread
7 of 8
/24s with at least one exit
Providers
84
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
554K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 191.37.73.0/24 | 30 | 128 | |
| 191.37.75.0/24 | 29 | 145 | |
| 191.37.77.0/24 | 24 | 114 | |
| 191.37.74.0/24 | 2 | 27 | |
| 191.37.78.0/24 | 0 | 18 | |
| 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
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.72.0/22 since Oct 2019 | AS263356 | Residential | 308 61 always on | |
| 191.37.72.0/23 since Oct 2019 | AS263356 | Residential | 136 30 always on | |
| 191.37.72.0/24 since Sep 2016 | AS263356 | Residential | 8 | |
| 191.37.73.0/24 since Sep 2016 | AS263356 | Residential | 128 30 always on | |
| 191.37.74.0/23 since Oct 2019 | AS263356 | Residential | 172 31 always on | |
| 191.37.74.0/24 since Sep 2016 | AS263356 | Residential | 27 2 always on | |
| 191.37.75.0/24 since Sep 2016 | AS263356 | Residential | 145 29 always on | |
| 191.37.76.0/22 since Oct 2019 | AS263356 | Residential | 134 24 always on | |
| 191.37.76.0/23 since Oct 2019 | AS263356 | Residential | 116 24 always on | |
| 191.37.76.0/24 since Sep 2016 | AS263356 | Residential | 2 | |
| 191.37.77.0/24 since Aug 2016 | AS263356 | Residential | 114 24 always on | |
| 191.37.78.0/23 since Oct 2019 | AS263356 | Residential | 18 | |
| 191.37.78.0/24 since Aug 2016 | AS263356 | Residential | 18 | |
| 191.37.79.0/24 since Sep 2016 | AS263356 | Residential |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263356
BR
- Name
- CNT Fiber
- Type
- Internet provider
- Registered
- Mar 18, 2014
- Domain
- cntfiber.com.br
- Website
- www.cntfiber.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- Oct 2019 · 7.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 191.37.72.0/21
- Netname
- 225018
- Registrant
- CNT Fiber
- Registrant country
- BR
- Organization
- CNT Fiber (08892029000137)
- Handle
- 191.37.72.0/21
- Created
- Mar 18, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 18, 2014
- Status
- assigned