Data as of Nov 8, 2026
191.37.73.0/24
128 residential-proxy exits · 30 daysCNT Fiber
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
128
50% of its addresses · 30 days
Always-on exits
30
23% of its exits
Providers
61
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
210K observations
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FlashProxy
- FloppyData
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- MangoProxy
- Maskify
- MoMoProxy
- NSocks
- NovaProxy
- Novada
- Oxylabs
- PacketStream
- PrivateByte
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- Thordata
- ThunderProxy
- VitalExclusive
- YumiProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.72.0/23 since Oct 2019 | AS263356 | Residential | 136 30 always on | |
| 191.37.72.0/22 since Oct 2019 | AS263356 | Residential | 312 66 always on | |
| 191.37.72.0/21 since Oct 2019 | AS263356 | Residential | 444 93 always on |
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
- May 2015
- Current origin since
- Sep 2016 · 10 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
Report abuse
Abuse contact
- diretoria@
cntfiber. com. br - Name
- Conecta Net Informatica Ltda
- Handle
- CNILT14