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Data as of Nov 8, 2026

187.121.224.0/23

47 residential-proxy exits · 30 days

Pronto Fibra LTDA

Announcement
187.121.224.0/21
RPKI valid
Announced by
AS266356
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
47
9.2% of its addresses · 30 days
Spread
2 of 2
/24s with at least one exit
Providers
62
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2.1K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
187.121.224.0/24024
187.121.225.0/24023

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FlashProxy
  • FloppyData
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HideProxy
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LUMIPROXY
  • LemonBright
  • LudaxProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateProxy
  • Proxies.fo
  • ProxiesVision
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxyma
  • RainProxy
  • RapidProxy
  • ResiProxies
  • Shifter
  • Smartproxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • Webshare
  • ZENPROXY_PREMIUM

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 187.121.224.0/21

Prefix
187.121.224.0/21
Announced by
AS266356 Pronto Fibra LTDA
Type
Residential
Proxy exits
54
RPKI
RPKI valid
Netname
509633
Registrant
Pronto Fibra LTDA
RIR
LACNIC
Registry

Holder

Organization
Not stated by the registry
Origin network

AS266356

BR
Name
Pronto Fibra LTDA
Type
Internet provider
Registered
Nov 10, 2016
Domain
prontofibra.com.br
Website
prontofibra.com.br/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed