Data as of Nov 10, 2026
191.37.76.0/22
131 residential-proxy exits · 30 daysCNT Fiber
Residential-proxy exits
Proxy exits
131
13% of its addresses · 30 days
Always-on exits
26
20% of its exits
Spread
3 of 4
/24s with at least one exit
Providers
70
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
177K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 191.37.77.0/24 | 26 | 114 | |
| 191.37.78.0/24 | 0 | 15 | |
| 191.37.76.0/24 | 0 | 2 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- MangoProxy
- Maskify
- NSocks
- NextProxy
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateByte
- PrivateProxy
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- YumiProxy
- ZENPROXY_PREMIUM
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.72.0/21 since Oct 2019 | AS263356 | Residential | 440 93 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.76.0/23 since Oct 2019 | AS263356 | Residential | 116 26 always on | |
| 191.37.76.0/24 since Sep 2016 | AS263356 | Residential | 2 | |
| 191.37.77.0/24 since Aug 2016 | AS263356 | Residential | 114 26 always on | |
| 191.37.78.0/23 since Oct 2019 | AS263356 | Residential | 15 | |
| 191.37.78.0/24 since Aug 2016 | AS263356 | Residential | 15 | |
| 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Oct 2019 · 7.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 191.37.72.0/21 | AS263356 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS263356 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
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