Data as of Nov 10, 2026
178.238.45.0/28
No anonymizer space · no proxy exits in 30 daysMasterDC s.r.o.
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 |
|---|---|---|---|---|---|---|
| 178.238.32.0/20 | 4,096 | CZ-MASTER-20100712 | MasterDC s.r.o. (ORG-MIS2-RIPE) · CZ | ALLOCATED PA | Jul 12, 2010 | abuse@ |
| └ 178.238.45.0/28 | 16 | DOMAT-5-MAI-CZ | Domat Control System, s.r.o. (ORG-DCSS5-RIPE) | ASSIGNED PA | Dec 16, 2025 | ict@ |
Network & registry
Announced by
Covering announcement 178.238.32.0/20
- Prefix
- 178.238.32.0/20
- Announced by
- AS24971 MasterDC s.r.o.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CZ-MASTER-20100712
- Registrant
- MasterDC s.r.o.
- RIR
- RIPE NCC
Origin network
AS24971
CZ
- Name
- MasterDC s.r.o.
- Type
- Hosting
- Registered
- Jun 11, 2002
- Domain
- master.cz
- Website
- www.master.cz
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 178.238.32.0/20
178.238.32.0/20
Routing history
- Pattern
- Stable
- First seen
- Jul 2010
- Current origin since
- Jul 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 178.238.32.0/20 | AS24971 | /20 | RIPE | RPKI valid |
IRR
Route objects on 178.238.32.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS24971 | RIPE | CZ-MASTER-20100712 | MASTER-MNT | Jul 13, 2010 |
Whois
Registration for this announcement
- Range
- 178.
238. 32. 0/ 20 - Netname
- CZ-MASTER-20100712
- Registrant
- MasterDC s.r.o.
- Registrant country
- CZ
- Organization
- MasterDC s.r.o. (ORG-MIS2-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jul 12, 2010
- Updated
- Jan 17, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 12, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
master. cz - Name
- MasterDC contact
- Handle
- MAIC-RIPE