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Data as of Nov 3, 2026
Autonomous system

AS2852

CESNET z.s.p.o.

Announces 849,920 addresses in 26 prefixes. None of it is anonymizer space.

Type
Education
CZ
Proxy activity, 30 days
1.0K exits

Announced prefixes

All 26
Arrived
PrefixTypeProxy exitsHolderRPKI
78.128.128.0/17
since Jun 2007
Business72
146.102.0.0/16
since May 2005
Business133University of Economics, Prague
147.32.0.0/16
since Mar 2024
Business54
1 always on
Ceske vysoke uceni technicke v Praze
147.33.0.0/16
since Mar 2024
Business35Vysoka skola chemicko-technologicka v Praze
147.228.0.0/16
since Sep 2012
Business25Zapadoceska univerzita v Plzni
147.230.0.0/16
since Mar 2024
Business62Technicka univerzita v Liberci
147.231.0.0/16
since Mar 2024
Business24
1 always on
Czech Academy of Sciences
147.251.0.0/16
since Oct 2016
Business67Masarykova univerzita - Ustav vypocetni techniky
158.194.0.0/16
since May 2005
Business46Univerzita Palackeho v Olomouci
158.196.0.0/16
since May 2005
Business229Vysoka skola banska - Technicka univerzita Ostrava
160.216.0.0/16
since Mar 2024
Business3Univerzita obrany
160.217.0.0/16
since Mar 2024
Business59University of South Bohemia in Ceske Budejovice
185.8.160.0/22
since May 2016
Business
193.84.32.0/20
since May 2005
Business12Czech University of Life Sciences Prague
193.84.53.0/24
since Apr 2013
BusinessCharles University
193.84.55.0/24
since Apr 2013
BusinessCharles University
193.84.56.0/21
since Apr 2013
BusinessCharles University
193.84.80.0/22
since Nov 2012
Business
193.84.104.0/22
since Jul 2024
BusinessCeske vysoke uceni technicke v Praze
193.84.116.0/23
since Mar 2014
BusinessInstitute of Chemical Process Fundamentals of the ASCR, v.v.i.
193.84.160.0/20
since Oct 2016
BusinessUJV Rez, a.s.
193.84.192.0/19
since May 2005
Business19Silesian University in Opava
193.84.192.0/20
since Jul 2015
Business18Silesian University in Opava
193.84.208.0/20
since Oct 2016
Business1Silesian University in Opava
195.113.0.0/16
since May 2005
Business109
2 always on
195.178.64.0/19
since May 2005
Business12

Residential-proxy exposure

Always-on exits
4
0.39% of its exits
Spread
321
/24s with at least one exit
Providers
75
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
195.113.242.0/24110
147.32.31.0/2413
195.113.141.0/2413
147.231.34.0/2411
147.251.163.0/24039
78.128.191.0/24035
158.194.197.0/24027
195.113.216.0/24015
147.251.15.0/24014
158.196.229.0/24013
158.196.226.0/24012
158.196.228.0/24011
147.228.128.0/24011
193.84.36.0/24011
158.196.239.0/24010
158.196.225.0/24010
158.194.110.0/24010
160.217.186.0/24010
195.178.92.0/24010
147.251.13.0/2409
158.196.173.0/2409
158.196.230.0/2409
158.196.236.0/2408
158.196.238.0/2408

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GeekProxy
  • Geonode
  • GhostConnect
  • GonzoProxy
  • HideProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LudaxProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • ProxiesVision
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • PuraRoute
  • RainProxy
  • RealProxy
  • ResiProxies
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • Webshare

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS2852, day by day

29K observations

Network & history

NetworkHistory
Profile
Registered
Dec 20, 1993
Domain
cesnet.cz
Website
www.cesnet.cz
Industry
Hosting and Cloud Provider