Data as of Nov 3, 2026
Autonomous system
AS24971
MasterDC s.r.o.
Announces 58,880 addresses in 33 prefixes. None of it is anonymizer space.
Type
Hosting
CZ
Proxy activity, 30 days
10 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 5.180.200.0/22 since Apr 2019 | Hosting | Bydzovsky s.r.o. | ||
| 37.140.220.0/24 since Aug 2021 | Hosting | ProfiSMS s.r.o. | ||
| 37.205.8.0/22 since Mar 2012 | Hosting | vpsFree.cz, z.s. | ||
| 37.205.12.0/22 since Sep 2017 | Hosting | 1 | vpsFree.cz, z.s. | |
| 77.93.192.0/19 since May 2007 | Hosting | |||
| 80.79.16.0/20 since May 2005 | Hosting | 1 | ||
| 81.31.32.0/20 since May 2005 | Hosting | |||
| 83.167.224.0/19 since Aug 2008 | Hosting | |||
| 83.223.52.0/24 since Dec 2018 | Hosting | Yoursafe Holding B.V. | ||
| 85.118.128.0/21 since Mar 2012 | Hosting | |||
| 89.185.224.0/19 since Apr 2006 | Hosting | 1 | ||
| 91.213.160.0/24 since Aug 2009 | Hosting | Internet Info, s.r.o. | ||
| 91.214.192.0/22 since Jul 2009 | Hosting | QCM, s.r.o. | ||
| 91.216.179.0/24 since Jun 2010 | Hosting | oXyShop s.r.o. | ||
| 91.226.216.0/22 since May 2011 | Hosting | W HOSTING, s.r.o. | ||
| 92.63.56.0/24 since Dec 2022 | Hosting | NEW TELEKOM, spol. s r.o. | ||
| 130.193.16.0/24 since Oct 2011 | Hosting | AUTO GAMES PLUS a.s. | ||
| 149.62.144.0/21 since Aug 2011 | Hosting | |||
| 176.227.168.0/23 since Jan 2012 | Hosting | Aziende Italia S.r.l. | ||
| 178.238.32.0/20 since Jul 2010 | Hosting | |||
| 185.8.164.0/23 since Nov 2012 | Hosting | vpsFree.cz, z.s. | ||
| 185.8.166.0/23 since Feb 2023 | Hosting | vpsFree.cz, z.s. | ||
| 185.25.184.0/22 since May 2013 | Hosting | NETIO Solutions s.r.o. | ||
| 185.32.160.0/22 since Jun 2015 | Hosting | ANAFRA a.s. | ||
| 185.58.40.0/22 since May 2014 | Hosting | 4 | ||
| 185.85.164.0/22 since Feb 2015 | Hosting | ServerNow s.r.o. | ||
| 185.145.160.0/22 since Apr 2016 | Hosting | Etnetera Core a.s. | ||
| 185.239.216.0/22 since Jan 2018 | Hosting | AdminIT, s. r. o. | ||
| 188.213.234.0/23 since Feb 2019 | Hosting | NETIO Solutions s.r.o. | ||
| 188.215.18.0/23 since Feb 2019 | Hosting | NETIO Solutions s.r.o. | ||
| 193.169.160.0/23 since Nov 2015 | Hosting | Imarto Inc. | ||
| 194.145.180.0/22 since May 2014 | Hosting | 3 | ServerNow s.r.o. | |
| 195.140.252.0/22 since Apr 2011 | Hosting | Virtualmaster, s.r.o. |
Residential-proxy exposure
Spread
5
/24s with at least one exit
Providers
22
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 185.58.42.0/24 | 0 | 4 | |
| 194.145.183.0/24 | 0 | 3 | |
| 37.205.12.0/24 | 0 | 1 | |
| 80.79.16.0/24 | 0 | 1 | |
| 89.185.250.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- Byteful
- EnigmaProxy
- GSocks
- IPFly
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- Oxylabs
- Proxiware
- ProxyEmpire
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- VantageProxies
- VitalExclusive
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS24971, day by day
222 observations
Network & history
Profile
- Registered
- Jun 11, 2002
- Domain
- master.cz
- Website
- www.master.cz
- Industry
- Hosting and Cloud Provider
Routing patterns
How its announcements have moved
Arrivals