Data as of Nov 12, 2026
178.23.236.0/22
No anonymizer space · no proxy exits in 30 daysCOPROSYS · space held by CoProSys 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 |
|---|---|---|---|---|---|---|
| 178.23.232.0/21 | 2,048 | CZ-COPROSYS-20100428 | CoProSys a.s. (ORG-CA781-RIPE) · CZ | ALLOCATED PA | Apr 28, 2010 | abuse@ |
| └ 178.23.236.0/22 | 1,024 | COPROSYS-BACKBONE-NET | Coprosys a.s. | ASSIGNED PA | Nov 4, 2011 | abuse@ via CZ-COPROSYS-20100428 |
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 178.23.232.0/21
- Prefix
- 178.23.232.0/21
- Announced by
- AS39906 COPROSYS
- Type
- Residential
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- CZ-COPROSYS-20100428
- Registrant
- CoProSys a.s.
- RIR
- RIPE NCC
Origin network
AS39906
CZ
- Name
- COPROSYS
- Type
- Internet provider
- Registered
- May 12, 2006
- Domain
- coprosys.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 178.23.232.0/21
178.23.232.0/21
Routing history
- Pattern
- Stable
- First seen
- Oct 2010
- Current origin since
- Oct 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 178.23.232.0/21 | AS39906 | /24 | RIPE | RPKI valid |
IRR
Route objects on 178.23.232.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS39906 | RIPE | CoProSys a.s. | COPROSYS-MNT | Apr 28, 2010 |
Whois
Registration for this announcement
- Range
- 178.
23. 232. 0/ 21 - Netname
- CZ-COPROSYS-20100428
- Registrant
- CoProSys a.s.
- Registrant country
- CZ
- Organization
- CoProSys a.s. (ORG-CA781-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Apr 28, 2010
- Updated
- Jul 15, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Apr 28, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
coprosys. cz - Name
- Abuse-C Role
- Handle
- AR14409-RIPE