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Data as of Nov 6, 2026

81.20.252.0/22

27 residential-proxy exits · 30 days

NOS Comunicacoes, S.A. · space held by NOS Acores Comunicacoes, S.A.

Announcement
this exact prefix
RPKI valid
Announced by
AS2860
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
27
2.6% of its addresses · 30 days
Always-on exits
3
11% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
62
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

15K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
81.20.254.0/24210
81.20.253.0/2414
81.20.255.0/2407
81.20.252.0/2406

Proxy providers listing exits

  • 2Extract
  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LightningProxies
  • MangoProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RapidProxy
  • ResiProxies
  • Shifter
  • StrikeProxy
  • TalorData
  • Thordata
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • Webshare

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
81.20.240.0/20
since Apr 2007
AS42580Residential187
15 always on
NOS Acores Comunicacoes, S.A.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2860

PT
Name
NOS Comunicacoes, S.A.
Type
Internet provider
Registered
Jan 18, 1994
Domain
nos.pt
Website
www.nos.pt
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed