Data as of Nov 7, 2026
147.251.22.0/24
2 residential-proxy exits · 30 daysCESNET z.s.p.o. · space held by Masarykova univerzita - Ustav vypocetni techniky
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
2
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
12 observations
Proxy providers listing exits
- RainProxy
- Shifter
Network & registry
Announced by
Covering announcement 147.251.0.0/16
- Prefix
- 147.251.0.0/16
- Announced by
- AS2852 CESNET z.s.p.o.
- Type
- Business
- Proxy exits
- 81
- RPKI
- RPKI valid
- Netname
- MUNI-TCZ
- Registrant
- Masarykova univerzita - Ustav vypocetni techniky
- RIR
- RIPE NCC
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 147.251.0.0/16
147.251.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 147.251.0.0/16 | AS2852 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 147.
251. 0. 0/ 16 - Netname
- MUNI-TCZ
- Registrant
- Masarykova univerzita - Ustav vypocetni techniky
- Registrant country
- CZ
- Organization
- Masarykova univerzita - Ustav vypocetni techniky (ORG-MUUV1-RIPE)
- Org country
- CZ
- Type
- LEGACY
- Created
- May 18, 2006
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 2, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
muni. cz - Name
- Abuse-C Role
- Handle
- AR13757-RIPE