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Data as of Nov 7, 2026

185.15.252.0/22

17 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS16246
Type
Residential
70% of it

Residential-proxy exits

Proxy exits
17
1.7% of its addresses · 30 days
Always-on exits
2
12% of its exits
Spread
2 of 4
/24s with at least one exit
Providers
52
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

2.5K observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
185.15.252.0/24216
185.15.253.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GSocks
  • Geonix
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LightningProxies
  • MangoProxy
  • MoMoProxy
  • NextProxy
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateByte
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • RainProxy
  • RapidProxy
  • Shifter
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy

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
185.15.252.0/221,024CZ-CZNET-20130117O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PANov 23, 2020abuse@o2.cz
└ 185.15.252.0/24256SPORKNETSporkNeT s.r.o.ASSIGNED PAJan 23, 2013abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.253.0/2664SPORKNETSporkNeT s.r.o.ASSIGNED PAJan 23, 2013abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.253.128/298SPORKNETSporkNeT s.r.o.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.253.136/298SPORKNET-GRENAGrena a.s.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.253.144 - 185.15.253.255112SPORKNETSporkNeT s.r.o.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.0/2816SPORKNET-SOSStredni odborna skolaASSIGNED PAJun 5, 2013abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.48/298SPORKNET-DURADURA Automotive CZ, k.s.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.56/298SPORKNET-MIMAMiroslav MatuskaASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.64/2664SPORKNET-MAKOMAKO Blatna spol. s r.o.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.128/2816SPORKNET-NEMOSTNemocnice Strakonice, a.s.ASSIGNED PAOct 30, 2015abuse@o2.cz
via CZ-CZNET-20130117
└ 185.15.255.144/298SPORKNET-LEIFHEITLeifheit s.r.o.ASSIGNED PAJan 23, 2013abuse@o2.cz
via CZ-CZNET-20130117

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

1,024 addresses
TypeAddressesShareRanges
Residential71270%5
Business31230%10

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS16246

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Feb 7, 2001
Domain
o2.cz
Website
www.nej.cz
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed