Data as of Nov 5, 2026
191.37.128.0/23
33 residential-proxy exits · 30 daysCybertech Informatica LTDA
Residential-proxy exits
Proxy exits
33
6.4% of its addresses · 30 days
Always-on exits
5
15% of its exits
Spread
1 of 2
/24s with at least one exit
Providers
60
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
9.0K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LudaxProxy
- MangoProxy
- MoMoProxy
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- Proxio
- Proxiware
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- VantageProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.128.0/21 since Aug 2016 | AS263359 | Residential | 232 27 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.128.0/24 since Nov 2023 | AS263359 | Residential | ||
| 191.37.129.0/24 since Mar 2020 | AS263359 | Residential | 33 5 always on |
Network & registry
Announced by
Covering announcement 191.37.128.0/22
- Prefix
- 191.37.128.0/22
- Announced by
- AS263359 Cybertech Informatica LTDA
- Type
- Residential
- Proxy exits
- 198
- Always-on exits
- 20
- RPKI
- RPKI valid
- Netname
- 225087
- Registrant
- Cybertech Informática LTDA
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263359
BR
- Name
- Cybertech Informatica LTDA
- Type
- Internet provider
- Registered
- Mar 19, 2014
- Domain
- cybertech.inf.br
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
191.37.128.0/22
Routing history
- Pattern
- Stable
- First seen
- Mar 2020
- Current origin since
- Mar 2020 · 6.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 191.37.128.0/21 | AS263359 | /24 | LACNIC | RPKI valid |
IRR
Route objects on 191.37.128.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS263359 | TC | Cybertech Informatica LTDA | MAINT-AS263359 | Aug 29, 2025 |
Whois
Registration for this announcement
- Range
- 191.
37. 128. 0/ 21 - Netname
- 225087
- Registrant
- Cybertech Informática LTDA
- Registrant country
- BR
- Organization
- Cybertech Informática LTDA (03860827000163)
- Handle
- 191.
37. 128. 0/ 21 - Created
- Mar 19, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 19, 2014
- Status
- assigned
Report abuse
Abuse contact
- cleverson@
cybertech. inf. br - Name
- Cleverson Antonio Rozanski
- Handle
- CLARO