Data as of Nov 5, 2026

191.37.128.0/21

233 residential-proxy exits · 30 days

Cybertech Informatica LTDA

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential

Residential-proxy exits

Proxy exits
233
11% of its addresses · 30 days
Always-on exits
27
12% of its exits
Spread
6 of 8
/24s with at least one exit
Providers
85
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

153K observations

/24s with the most always-on exits

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare

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

PrefixOriginTypeProxy exitsRPKI
191.37.128.0/22
since Mar 2020
AS263359Residential198
20 always on
191.37.128.0/24
since Nov 2023
AS263359Residential
191.37.129.0/24
since Mar 2020
AS263359Residential33
5 always on
191.37.130.0/24
since Mar 2020
AS263359Residential33
2 always on
191.37.131.0/24
since Mar 2020
AS263359Residential132
13 always on
191.37.132.0/22
since Nov 2023
AS263359Residential34
7 always on
191.37.132.0/24
since Nov 2023
AS263359Residential2
1 always on
191.37.133.0/24
since Nov 2023
AS263359Residential
191.37.134.0/24
since Nov 2023
AS263359Residential27
2 always on
191.37.135.0/24
since Nov 2023
AS263359Residential5
4 always on

Network & registry

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