Data as of Nov 10, 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
1.1K exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 78.128.128.0/17 since Jun 2007 | Business | 78 1 always on | ||
| 146.102.0.0/16 since May 2005 | Business | 119 1 always on | University of Economics, Prague | |
| 147.32.0.0/16 since Mar 2024 | Business | 64 1 always on | Ceske vysoke uceni technicke v Praze | |
| 147.33.0.0/16 since Mar 2024 | Business | 41 | Vysoka skola chemicko-technologicka v Praze | |
| 147.228.0.0/16 since Sep 2012 | Business | 35 | Zapadoceska univerzita v Plzni | |
| 147.230.0.0/16 since Mar 2024 | Business | 87 | Technicka univerzita v Liberci | |
| 147.231.0.0/16 since Mar 2024 | Business | 27 1 always on | Czech Academy of Sciences | |
| 147.251.0.0/16 since Oct 2016 | Business | 81 | Masarykova univerzita - Ustav vypocetni techniky | |
| 158.194.0.0/16 since May 2005 | Business | 40 | Univerzita Palackeho v Olomouci | |
| 158.196.0.0/16 since May 2005 | Business | 293 | Vysoka skola banska - Technicka univerzita Ostrava | |
| 160.216.0.0/16 since Mar 2024 | Business | 6 | Univerzita obrany | |
| 160.217.0.0/16 since Mar 2024 | Business | 92 | University of South Bohemia in Ceske Budejovice | |
| 185.8.160.0/22 since May 2016 | Business | |||
| 193.84.32.0/20 since May 2005 | Business | 14 | Czech University of Life Sciences Prague | |
| 193.84.53.0/24 since Apr 2013 | Business | Charles University | ||
| 193.84.55.0/24 since Apr 2013 | Business | Charles University | ||
| 193.84.56.0/21 since Apr 2013 | Business | Charles University | ||
| 193.84.80.0/22 since Nov 2012 | Business | |||
| 193.84.104.0/22 since Jul 2024 | Business | Ceske vysoke uceni technicke v Praze | ||
| 193.84.116.0/23 since Mar 2014 | Business | Institute of Chemical Process Fundamentals of the ASCR, v.v.i. | ||
| 193.84.160.0/20 since Oct 2016 | Business | UJV Rez, a.s. | ||
| 193.84.192.0/19 since May 2005 | Business | 23 | Silesian University in Opava | |
| 193.84.192.0/20 since Jul 2015 | Business | 22 | Silesian University in Opava | |
| 193.84.208.0/20 since Oct 2016 | Business | 1 | Silesian University in Opava | |
| 195.113.0.0/16 since May 2005 | Business | 138 2 always on | ||
| 195.178.64.0/19 since May 2005 | Business | 14 |
Residential-proxy exposure
Always-on exits
6
0.52% of its exits
Spread
353
/24s with at least one exit
Providers
79
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 78.128.191.0/24 | 1 | 35 | |
| 195.113.242.0/24 | 1 | 11 | |
| 147.32.31.0/24 | 1 | 4 | |
| 195.113.141.0/24 | 1 | 3 | |
| 146.102.220.0/24 | 1 | 1 | |
| 147.231.34.0/24 | 1 | 1 | |
| 147.251.163.0/24 | 0 | 52 | |
| 158.194.197.0/24 | 0 | 20 | |
| 160.217.186.0/24 | 0 | 18 | |
| 158.196.225.0/24 | 0 | 17 | |
| 147.251.15.0/24 | 0 | 15 | |
| 195.113.216.0/24 | 0 | 15 | |
| 158.196.229.0/24 | 0 | 15 | |
| 158.196.226.0/24 | 0 | 15 | |
| 193.84.36.0/24 | 0 | 13 | |
| 158.196.238.0/24 | 0 | 13 | |
| 158.196.234.0/24 | 0 | 12 | |
| 195.178.92.0/24 | 0 | 11 | |
| 147.228.128.0/24 | 0 | 11 | |
| 158.196.236.0/24 | 0 | 11 | |
| 160.217.187.0/24 | 0 | 11 | |
| 147.230.235.0/24 | 0 | 11 | |
| 160.217.184.0/24 | 0 | 10 | |
| 158.196.114.0/24 | 0 | 10 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FLEETPROXY
- FastProxy
- FlashProxy
- GeekProxy
- Geonode
- GhostConnect
- GonzoProxy
- HPROXY
- HideProxy
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LudaxProxy
- MarsProxies
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NodeMaven
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PROXYSCRAPE
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxiware
- Proxy-Cheap
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- PuraRoute
- RainProxy
- RealProxy
- ResiProxies
- SPYDERPROXY_BASIC
- SPYDERPROXY_PREMIUM
- Shifter
- StrikeProxy
- Thordata
- ThunderProxy
- TrueProxies
- VProxy
- VantageProxies
- VibeProxies
- VitalExclusive
- Webshare
- ZENPROXY_LITE
- ZENPROXY_PREMIUM
Proxy activity
Oct 11, 2026 – Nov 8, 2026
AS2852, day by day
35K observations
Network & history
Profile
- Registered
- Dec 20, 1993
- Domain
- cesnet.cz
- Website
- www.cesnet.cz
- Industry
- Hosting and Cloud Provider
Routing patterns
How its announcements have moved
Arrivals