Data as of Nov 3, 2026
109.72.0.0/20
58 residential-proxy exits · 30 daysO2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
58
1.4% of its addresses · 30 days
Always-on exits
4
6.9% of its exits
Spread
14 of 16
/24s with at least one exit
Providers
79
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
11K observations
- Residential
- Business
- Hosting
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 109.72.4.0/24 | 2 | 4 | |
| 109.72.5.0/24 | 1 | 3 | |
| 109.72.9.0/24 | 1 | 2 | |
| 109.72.12.0/24 | 0 | 31 | |
| 109.72.10.0/24 | 0 | 4 | |
| 109.72.3.0/24 | 0 | 3 | |
| 109.72.13.0/24 | 0 | 3 | |
| 109.72.6.0/24 | 0 | 2 | |
| 109.72.7.0/24 | 0 | 1 | |
| 109.72.8.0/24 | 0 | 1 | |
| 109.72.0.0/24 | 0 | 1 | |
| 109.72.11.0/24 | 0 | 1 | |
| 109.72.1.0/24 | 0 | 1 | |
| 109.72.14.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HydraProxy
- IPCola
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MangoProxy
- MoMoProxy
- NSocks
- NodeMaven
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- ResiProxies
- Shifter
- SpyderProxy
- StrikeProxy
- SwiftProxy
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
- YumiProxy
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 109.72.0.0/20 | 4,096 | CZ-CZNET-20090904 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Nov 12, 2020 | [email protected] |
| └ 109.72.0.0/24 | 256 | IPB_SERVERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.1.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.2.164/30 | 4 | Zakladni_skola_28rijna_Pribram | unknown | ASSIGNED PA | Sep 23, 2019 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.3.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.4.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.5.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.6.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.7.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.8.0/24 | 256 | IPB_CORE_BACKBONE | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.9.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.10.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.11.0/25 | 128 | IPB_INFRASTRUCTURE | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.11.128/25 | 128 | IPB_STATIC_NAT | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.12.0/24 | 256 | IPB_DYNAMIC_NAT | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.13.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.14.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
| └ 109.72.15.0/24 | 256 | IPB_CUSTOMERS | unknown | ASSIGNED PA | May 9, 2018 | [email protected] via CZ-CZNET-20090904 |
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
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 3,580 | 87% | 3 | |
| Business | 260 | 6.3% | 3 | |
| Hosting | 256 | 6.3% | 1 |
Network & registry
Origin network
AS49767
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- Sep 8, 2009
- Domain
- o2.cz
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2009
- Current origin since
- Dec 2009 · 17 yr
- Origin networks
- 2
- Last change of origin
- Dec 2009
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 109.72.0.0/20
- Netname
- CZ-CZNET-20090904
- Registrant
- O2 Czech Republic, a.s.
- Registrant country
- CZ
- Organization
- O2 Czech Republic, a.s. (ORG-STAN1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Nov 12, 2020
- Updated
- Jun 20, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Sep 4, 2009
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR14410-RIPE