Data as of Nov 10, 2026
212.158.131.0/24
No anonymizer space · no proxy exits in 30 daysRADIOKOMUNIKACE a.s.
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@ |
| └ 212.158.131.0/24 | 256 | BLUETONE | unknown | ASSIGNED PA | May 10, 2019 | 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