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Data as of Nov 5, 2026

83.208.64.0/18

83 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS5610
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
83
0.51% of its addresses · 30 days
Always-on exits
10
12% of its exits
Spread
23 of 64
/24s with at least one exit
Providers
67
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

16K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
83.208.111.0/2427
83.208.117.0/2427
83.208.118.0/2417
83.208.113.0/2414
83.208.72.0/2414
83.208.70.0/2414
83.208.112.0/2413
83.208.87.0/2411
83.208.119.0/2406
83.208.120.0/2406
83.208.121.0/2405
83.208.108.0/2404
83.208.68.0/2404
83.208.75.0/2403
83.208.125.0/2403
83.208.122.0/2403
83.208.73.0/2402
83.208.116.0/2402
83.208.114.0/2402
83.208.124.0/2402
83.208.74.0/2402
83.208.115.0/2401
83.208.123.0/2401

Proxy providers listing exits

  • 2Captcha
  • 9Proxy
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GSocks
  • Geonix
  • Geonode
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateByte
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RoamProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
83.208.0.0/16
since May 2005
AS5610Residential276
21 always on
O2 Czech Republic, a.s.

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
83.208.0.0/1665,536CZ-CZNET-20040302O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAMar 2, 2004abuse@o2.cz
└ 83.208.64.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.65.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.66.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.67.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.68.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.69.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.70.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.71.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.72.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.73.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.74.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.75.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.76.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.77.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.78.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.79.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PAAug 18, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.80.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.81.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.82.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.83.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.84.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.85.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.86.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.87.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.88.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.89.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.90.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.91.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.92.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.93.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.94.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.95.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.96.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 6, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.97.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.98.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.99.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.100.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.101.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.102.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.103.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.104.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.105.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.106.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.107.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.108.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.109.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.110.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.111.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.112.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.113.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.114.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.115.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.116.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.117.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.118.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.119.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.120.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.121.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.122.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.123.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.124.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.125.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.126.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302
└ 83.208.127.0/24256NEXTEL-XDSLXDSL Network-ADSLASSIGNED PASep 7, 2004abuse@o2.cz
via CZ-CZNET-20040302

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

AS5610

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Apr 25, 1996
Domain
o2.cz
Website
www.o2.cz
Spamhaus ASN-DROP
not listed