LAYER3 INTEL
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Data as of Nov 10, 2026

212.4.136.0/24

2 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
212.4.128.0/19
RPKI valid
Announced by
AS12570
Type
Business

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Providers
6
selling exits here
Oct 11, 2026 – Nov 9, 2026

Exits seen per day

147 observations

Proxy providers listing exits

  • BottingTools
  • Decodo
  • FastProxy
  • Oxylabs
  • Thordata
  • ThunderProxy

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
212.4.128.0/198,192CZ-CZNET-20080611O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAJun 11, 2008abuse@o2.cz
└ 212.4.136.0/2664XACTIXactiASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.64/2816OHRADAVelka OhradaASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.80/298HOSTINGBiT ManagerASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.88/304SELFNET-CZSlovanetASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.92/304SELFNET-CZTPMCASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.96/2732SELFNET-CZIvanciceASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.128/2664HOSTINGServerhosting BrnoASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611
└ 212.4.136.192/2664GONET-CZIP Address range for Rysavka GONETASSIGNED PAOct 25, 2012abuse@o2.cz
via CZ-CZNET-20080611

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
Routing timeline

Who has announced 212.4.128.0/19

212.4.128.0/19

Routing history

Pattern
Stable
First seen
Jun 2008
Current origin since
Oct 2016 · 10 yr
Origin networks
1