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Data as of Nov 9, 2026

217.195.160.0/20

7 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS29321
Type
Residential
68% of it

Residential-proxy exits

Proxy exits
7
0.17% of its addresses · 30 days
Spread
5 of 16
/24s with at least one exit
Providers
33
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

981 observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
217.195.167.0/2402
217.195.168.0/2402
217.195.161.0/2401
217.195.169.0/2401
217.195.175.0/2401

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FastProxy
  • FlashProxy
  • GSocks
  • Geonix
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • Infatica
  • LemonBright
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
217.195.160.0/204,096CZ-CZNET-20010424O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PADec 14, 2001abuse@o2.cz
└ 217.195.160.0/2732CENTRONET-serversunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.160.32/2732CENTRONET-serversunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.160.64/2664CentroNet-infrastructureunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.160.128/2664CentroNet-infrastructureunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.160.192/2664CentroNet-point2pointunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.161.0/24256CentroNet-FixedLineunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.0/2664SPSST-PanskaStredni prumyslova skola sdelovaci technikyASSIGNED PA—abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.64/2816CentroNet-OfficeCentroNet OfficeASSIGNED PAFeb 24, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.80/298GemaArtGemaArtASSIGNED PAApr 5, 2006abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.112/2816DatacableDatacable a.s.ASSIGNED PAMar 7, 2013abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.144/298BancoBancocasino a.s.ASSIGNED PAMar 22, 2013abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.204/304VentanaCZVentana HotelASSIGNED PAAug 10, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.216/298HARTENBERGCAPITALHartenberg Capital, s.r.o.ASSIGNED PAMay 30, 2013abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.224/298SachsenFondsCZSachsenFonds Asset management Czech s.r.o.ASSIGNED PASep 17, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.232/298MUZOPRAHAMUZOASSIGNED PANov 27, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.162.240/298MUZOCUSTMUZO customer serviceASSIGNED PAApr 2, 2013abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.0/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAJan 9, 2003abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.32/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAFeb 7, 2003abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.64/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAApr 19, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.96/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PANov 27, 2003abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.128/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAJan 22, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.160/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAMay 31, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.192/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAAug 10, 2004abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.163.224/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAJan 13, 2005abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.0/2732CentroNet-endusers-staticunknownASSIGNED PAMay 18, 2018abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.32/298glossaczGlossa s.r.o.ASSIGNED PAMay 10, 2005abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.40/298Ticket-artTICKET ART PRAHA, s.r.o.ASSIGNED PADec 7, 2012abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.56/298Achourhajek-dmzAchour & Hajek s.r.o.ASSIGNED PADec 8, 2015abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.64/2816BeckerAndPoliakoffBecker a Poliakoff, s.r.o.ASSIGNED PAOct 25, 2010abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.88/298CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PANov 9, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.120/298ECOINVESTENTCZEco-Investment, a.sASSIGNED PAJun 30, 2009abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.128/2816ThalesGrp-PragueTHALES Information Systems Gmbh - Prague, CZASSIGNED PAJan 15, 2009abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.144/298JSTRealJST Real s.r.o.ASSIGNED PAJul 27, 2009abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.192/298JenningsCZJennings Prague s.r.oASSIGNED PADec 17, 2010abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.164.200/298SunsecSunsec s.r.oASSIGNED PAMay 5, 2011abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.165.0/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PAJun 15, 2005abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.165.32/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PASep 30, 2005abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.165.64/2732CentroNet-FixedLineCentroNet, a.s.ASSIGNED PANov 5, 2007abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.165.96/2732CentroNet-FixedLine_InfrastractureCentroNet, a.s.ASSIGNED PANov 5, 2007abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.165.128/25128CENTRONET-InfrastructureCentronet, a.s.ASSIGNED PAApr 21, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.166.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAApr 21, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.167.0/2664CENTRONET-point2pointunknownASSIGNED PAApr 21, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.167.64/2664CENTRONET-point2pointunknownASSIGNED PASep 19, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.167.128/2664CENTRONET-HostedDevicesunknownASSIGNED PAApr 28, 2009abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.167.192/2664CENTRONET-peersunknownASSIGNED PASep 2, 2009abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.168.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAApr 21, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.169.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAMay 26, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.170.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAJun 16, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.171.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAJul 14, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.172.0/24256CENTRONET-CGN1unknownASSIGNED PAJul 24, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.173.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAJul 28, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.174.0/24256CENTRONET-CGN2unknownASSIGNED PAAug 27, 2008abuse@o2.cz
via CZ-CZNET-20010424
└ 217.195.175.0/24256CustomerInfrastructureunknownASSIGNED PAOct 21, 2008abuse@o2.cz
via CZ-CZNET-20010424

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential2,79668%13
Business1,30032%43

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS29321

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Jul 31, 2003
Domain
o2.cz
Website
www.centronet.cz/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed