Data as of Nov 11, 2026

178.72.192.0/18

25 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential

Residential-proxy exits

Proxy exits
25
0.15% of its addresses · 30 days
Always-on exits
4
16% of its exits
Spread
14 of 64
/24s with at least one exit
Providers
76
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

3.2K observations

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Decodo
  • EVOPROXY
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • LemonBright
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PrivateByte
  • PrivateProxy
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • Q2IP
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • Shifter
  • SwiftProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • Thordata
  • ThunderProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
178.72.192.0/19
since Mar 2018
AS41046Residential11
3 always on
O2 Czech Republic, a.s.
178.72.224.0/19
since Mar 2018
AS41046Residential14
1 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
178.72.192.0/1816,384CZ-CZNET-20100318O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PADec 28, 2017abuse@o2.cz
└ 178.72.192.0/198,192NEJCZ_INTERNETHOMEunknownASSIGNED PAMar 28, 2018abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.224.0/212,048NEJCZ_INTERNETHOMEunknownASSIGNED PAMay 6, 2019abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.232.0/212,048NEJCZ_MORAVAunknownASSIGNED PAApr 9, 2018abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.240.0/212,048NEJCZ_OSTRAVAunknownASSIGNED PAApr 5, 2018abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.248.0 - 178.72.253.2551,536NEJCZunknownASSIGNED PAMay 6, 2019abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.254.0/24256NEJCZ_TREBICunknownASSIGNED PAMar 28, 2018abuse@o2.cz
via CZ-CZNET-20100318
└ 178.72.255.0/24256NEJCZunknownASSIGNED PAMay 6, 2019abuse@o2.cz
via CZ-CZNET-20100318

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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jun 2010
Current origin since
Mar 2018 · 8.6 yr
Origin networks
3
Last change of origin
Mar 2018
Recorded history

History

Handoffs
2