Data as of Nov 6, 2026
185.58.40.0/22
4 residential-proxy exits · 30 daysMasterDC s.r.o.
Residential-proxy exits
Proxy exits
4
0.39% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
15
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
34 observations
Proxy providers listing exits
- AnyIP
- BartProxies
- BirdProxies
- Byteful
- EnigmaProxy
- GSocks
- IPFly
- Infatica
- NodeProxy
- NovaProxy
- Oxylabs
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 185.58.40.0/22 | 1,024 | CZ-MASTER-20140519 | MasterDC s.r.o. (ORG-MIS2-RIPE) · CZ | ALLOCATED PA | May 19, 2014 | abuse@ |
| └ 185.58.40.0/24 | 256 | BRNO-HOUSING33-CZ-MAI | Master Internet s.r.o. | ASSIGNED PA | Nov 12, 2014 | abuse@ via CZ-MASTER-20140519 |
| └ 185.58.41.0/24 | 256 | BRNO-CEJL-VSPHERE-VPS-4-CZ-MAI | vCloud Director VPS | ASSIGNED PA | Mar 13, 2015 | abuse@ via CZ-MASTER-20140519 |
| └ 185.58.42.0/25 | 128 | BRNO-CEJL-VSPHERE-VPS-5-CZ-MAI | vmware cloud VPS | ASSIGNED PA | Apr 28, 2015 | abuse@ via CZ-MASTER-20140519 |
| └ 185.58.42.136/29 | 8 | VEEAM-4-MAI-CZ | Veeam Software (Czech Republic) s.r.o. (ORG-VSRS1-RIPE) | ASSIGNED PA | Jul 22, 2025 | abuse@ |
| └ 185.58.42.192/26 | 64 | BRNO-HOUSING36-CZ-MAI | MasterDC s.r.o. (ORG-MIS2-RIPE) · CZ | ASSIGNED PA | Jul 20, 2015 | abuse@ |
| └ 185.58.43.0/24 | 256 | SF3-1-CZ-MAI | Housing DC Brno | ASSIGNED PA | Jan 9, 2019 | abuse@ via CZ-MASTER-20140519 |
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
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- May 2014 · 12 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 185.
58. 40. 0/ 22 - Netname
- CZ-MASTER-20140519
- Registrant
- MasterDC s.r.o.
- Registrant country
- CZ
- Organization
- MasterDC s.r.o. (ORG-MIS2-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- May 19, 2014
- Updated
- Jan 17, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- May 19, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
master. cz - Name
- MasterDC contact
- Handle
- MAIC-RIPE