Data as of Nov 11, 2026
147.231.0.0/16
30 residential-proxy exits · 30 daysCESNET z.s.p.o. · space held by Czech Academy of Sciences
Residential-proxy exits
Proxy exits
30
0.05% of its addresses · 30 days
Spread
18 of 256
/24s with at least one exit
Providers
22
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
713 observations
/24s with the most always-on exits
Proxy providers listing exits
- AnyIP
- BottingTools
- Byteful
- CatProxies
- FastProxy
- IPFly
- LemonBright
- NextProxy
- Novada
- Oxylabs
- PacketStream
- PrivateByte
- Proxiware
- ProxyRack
- ProxyWing
- PuraRoute
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- VitalExclusive
- ZENPROXY_PREMIUM
Network & registry
Origin network
AS2852
CZ
- Name
- CESNET z.s.p.o.
- Type
- Education
- Registered
- Dec 20, 1993
- Domain
- cesnet.cz
- Website
- www.cesnet.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
- Mar 2024
- Current origin since
- Mar 2024 · 2.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 147.
231. 0. 0/ 16 - Netname
- CAS-TCZ
- Registrant
- Czech Academy of Sciences
- Registrant country
- CZ
- Organization
- Czech Academy of Sciences (ORG-AOSO1-RIPE)
- Org country
- CZ
- Type
- LEGACY
- Created
- May 18, 2006
- Updated
- Apr 14, 2016
- Maintainer
- TENCZ-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Nov 25, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cas. cz - Name
- Akademie ved Ceske republiky Network Admins
- Handle
- AVCR1-RIPE