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Data as of Nov 3, 2026
Autonomous system

AS19577

Castro Telecom LLC

Announces 1,024 addresses in 2 prefixes. 1,024 of them are anonymizer space (all Datacenter proxy) in 2 prefixes: 100% of what it announces.

Type
Hosting
US
Operators · brokers · owners leasing
1 · 0 · 0
Proxy activity, 30 days
959 exits

Announced prefixes

All 2Carrying anonymizer space2
Arrived
PrefixTypeAnonymizer addressesOperatorProxy exitsRPKI
208.85.8.0/22
since Sep 2025
Datacenter proxy76875%Proxy providersoperated by Castro Telecom959
652 always on
208.85.8.0/24
since Aug 2026
Datacenter proxyProxy providersoperated by Castro Telecom192
186 always on

Operators, sellers and brokers

Proxy providers

NameParentIn AS19577/24s
Castro Telecom
1,024100%
4

Residential-proxy exposure

Always-on exits
652
68% of its exits
Spread
4
/24s with at least one exit
Providers
65
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
208.85.8.0/24186192
208.85.10.0/24174256
208.85.11.0/24155256
208.85.9.0/24137255

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EnigmaProxy
  • Evomi
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonode
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • Shifter
  • SpyderProxy
  • Thordata
  • ThunderProxy
  • VProxy
  • VantageProxies
  • VitalExclusive
  • WealthProxies

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS19577, day by day

2.0M observations

Network & history

NetworkHistory
Profile
Registered
Jun 14, 2024
Domain
ulisboa.pt
Website
tecnico.ulisboa.pt
Industry
Software Development