Data as of Nov 12, 2026
212.158.136.0/24
3 residential-proxy exits · 30 daysRADIOKOMUNIKACE a.s.
Announced by
Type
Business
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Always-on exits
3
100% of its exits
Providers
31
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
8.0K observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- Evomi
- FlashProxy
- GoProxies
- GonzoProxy
- IPRoyal
- Infatica
- LemonBright
- NSocks
- NodeMaven
- Oxylabs
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyWing
- Proxyma
- Shifter
- Thordata
- ThunderProxy
- VibeProxies
- VitalExclusive
- Webshare
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 |
|---|---|---|---|---|---|---|
| 212.158.128.0/19 | 8,192 | CZ-CRA-20020906 | RADIOKOMUNIKACE a.s. (ORG-CRA1-RIPE) · CZ | ALLOCATED PA | Sep 6, 2002 | abuse@ |
| └ 212.158.136.16/29 | 8 | O2-CZ | O2 Czech Republic a.s., Prague | ASSIGNED PA | Oct 27, 2015 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.32/29 | 8 | MEDITRADE | Meditrade,spol.s r.o. | ASSIGNED PA | Jul 30, 2004 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.48/28 | 16 | BLUETONE | WalkAir customers | ASSIGNED PA | Jul 13, 2004 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.72/29 | 8 | WILDEN-ENGINEERING | WILDEN ENGINEERING spol. s. r. o. | ASSIGNED PA | May 21, 2004 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.80/28 | 16 | EXTRANET-PLUS-CZ | EXTRANET | ASSIGNED PA | Apr 29, 2008 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.96/28 | 16 | BLUETONE | WalkAir customers | ASSIGNED PA | Jul 13, 2004 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.120/29 | 8 | CENTRUMZDRAVOTNICKYCHSLUZEB | Centrum zdravotnickych sluzeb, s.r.o. | ASSIGNED PA | Jul 7, 2004 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.216/29 | 8 | FIEGE-CZ | FIEGE s.r.o., Bor | ASSIGNED PA | Nov 19, 2014 | abuse@ via CZ-CRA-20020906 |
| └ 212.158.136.240/29 | 8 | TRITON | Triton Pardubice s.r.o. | ASSIGNED PA | Jan 26, 2005 | abuse@ via CZ-CRA-20020906 |
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 212.158.128.0/19
- Prefix
- 212.158.128.0/19
- Announced by
- AS25248 RADIOKOMUNIKACE a.s.
- Type
- Business
- Proxy exits
- 26
- Always-on exits
- 6
- RPKI
- RPKI valid
- Netname
- CZ-CRA-20020906
- Registrant
- RADIOKOMUNIKACE a.s.
- RIR
- RIPE NCC
Origin network
AS25248
CZ
- Name
- RADIOKOMUNIKACE a.s.
- Type
- Internet provider
- Registered
- Sep 11, 2002
- Domain
- cra.cz
- Website
- www.cra.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 212.158.128.0/19
212.158.128.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.158.128.0/19 | AS1299 | /24 | RIPE | Another network |
| 212.158.128.0/19 | AS25248 | /19 | RIPE | RPKI valid |
IRR
Route objects on 212.158.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25248 | RIPE | BlueTone-CRa-CZ | BLUETONE-MNT | Dec 12, 2003 |
Whois
Registration for this announcement
- Range
- 212.
158. 128. 0/ 19 - Netname
- CZ-CRA-20020906
- Registrant
- RADIOKOMUNIKACE a.s.
- Registrant country
- CZ
- Organization
- RADIOKOMUNIKACE a.s. (ORG-CRA1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Sep 6, 2002
- Updated
- Feb 16, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Sep 6, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
bluetone. cz - Name
- CRA Hostmasters
- Handle
- CRA37-RIPE