Data as of Nov 9, 2026
176.222.226.0/24
15 residential-proxy exits · 30 daysCAH Building s.r.o. · space held by O2 Czech Republic, a.s.
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
15
5.9% of its addresses · 30 days
Always-on exits
4
27% of its exits
Providers
47
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
2.4K observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LemonPrime
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Oxylabs
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyHat
- Proxyma
- RainProxy
- Shifter
- SwiftProxy
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 176.222.224.0/21 | 2,048 | CZ-CZNET-20111201 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Feb 19, 2026 | abuse@ |
| └ 176.222.226.0/24 | 256 | CABL-226 | default carrier-grade source NAT | ASSIGNED PA | Sep 22, 2016 | abuse@ via CZ-CZNET-20111201 |
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
Announced by
Covering announcement 176.222.224.0/21
- Prefix
- 176.222.224.0/21
- Announced by
- AS198282 CAH Building s.r.o.
- Type
- Residential
- Proxy exits
- 22
- Always-on exits
- 4
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20111201
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Origin network
AS198282
CZ
- Name
- CAH Building s.r.o.
- Type
- Internet provider
- Registered
- Dec 1, 2011
- Domain
- din.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 176.222.224.0/21
176.222.224.0/21
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 176.222.224.0/21 | AS198282 | /21 | RIPE | RPKI valid |
IRR
Route objects on 176.222.224.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS198282 | RIPE | Cable-NET | CABL-MNT | Jun 11, 2021 |
Whois
Registration for this announcement
- Range
- 176.
222. 224. 0/ 21 - Netname
- CZ-CZNET-20111201
- 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
- Feb 19, 2026
- Updated
- Feb 19, 2026
- Maintainer
- AS5610-MTN
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Dec 1, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE