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Data as of Nov 8, 2026

88.83.224.0/19

9 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS12570
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
9
0.11% of its addresses · 30 days
Always-on exits
2
22% of its exits
Spread
4 of 32
/24s with at least one exit
Providers
42
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

7.0K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
88.83.234.0/2414
88.83.244.0/2412
88.83.231.0/2402
88.83.238.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CoreProxy
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • Evomi
  • GSocks
  • Geonode
  • GonzoProxy
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • MangoProxy
  • MarsProxies
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • PacketStream
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxyma
  • RainProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • Thordata
  • TrustProxy
  • VantageProxies
  • VitalExclusive
  • Webshare
  • ZENPROXY_PREMIUM

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
88.83.224.0/198,192CZ-CZNET-20060111O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAJan 11, 2006abuse@o2.cz
└ 88.83.224.0/24256freeboneitself ltd.ASSIGNED PAMar 21, 2016abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.225.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.226.0/24256freeboneFreebone s.r.o.ASSIGNED PAMar 8, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.227.0/24256freeboneFreebone s.r.o.ASSIGNED PANov 7, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.228.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.229.0/24256bmservisBM servis s.r.o.ASSIGNED PAJun 30, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.230.0/24256redictRedict.NET, s.r.o.ASSIGNED PAJul 19, 2018abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.231.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.232.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.233.0/24256freeboneFreebone s.r.o.ASSIGNED PAMar 22, 2007abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.234.0/24256NETCOM-NETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.235.0/24256redictRedict.NET, s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.236.0/24256freebonefreeboneASSIGNED PAMar 21, 2016abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.237.0/24256freeboneFreebone s.r.o.ASSIGNED PAMay 4, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.238.0/24256itselfunknownASSIGNED PAJul 31, 2018abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.239.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.240.0/24256freeboneFreebone s.r.o.ASSIGNED PAMay 1, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.241.0/24256freeboneFreebone s.r.o.ASSIGNED PAMay 22, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.242.0/24256freeboneFreebone s.r.o.ASSIGNED PAMay 22, 2006abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.243.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.244.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.246.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.247.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.248.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.249.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.250.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.251.0/24256freeboneFreebone s.r.o.ASSIGNED PAOct 16, 2008abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.252.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.253.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.254.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111
└ 88.83.255.0/24256SELFNETunknownASSIGNED PAJun 28, 2017abuse@o2.cz
via CZ-CZNET-20060111

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

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS12570

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Jul 28, 1999
Domain
o2.cz
Website
www.itself.cz/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed