Data as of Nov 11, 2026
37.9.192.0/24
8 residential-proxy exits · 30 daysCEZNET s.r.o.
Residential-proxy exits
Proxy exits
8
3.1% of its addresses · 30 days
Providers
32
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
147 observations
Proxy providers listing exits
- 711Proxy
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CoreProxy
- DataImpulse
- Decodo
- EZProxies
- Evomi
- FastProxy
- FlashProxy
- Geonode
- GoProxies
- GonzoProxy
- IPCola
- IPPeak
- IPRoyal
- Infatica
- LemonBright
- LudaxProxy
- Oxylabs
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyWing
- Proxyma
- RainProxy
- RapidProxy
- ThunderProxy
- VitalExclusive
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.9.192.0/21 | 2,048 | CZ-CEZNET21-20111215 | CEZNET s.r.o. (ORG-TBS13-RIPE) · CZ | ALLOCATED PA | Dec 15, 2011 | abuse@ |
| └ 37.9.192.0/22 | 1,024 | INEXT-NET | Internext 2000 | ASSIGNED PA | Dec 15, 2011 | abuse@ via CZ-CEZNET21-20111215 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 37.9.192.0/21
- Prefix
- 37.9.192.0/21
- Announced by
- AS25424 CEZNET s.r.o.
- Type
- Residential
- Proxy exits
- 34
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- CZ-CEZNET21-20111215
- Registrant
- CEZNET s.r.o.
- RIR
- RIPE NCC
Origin network
AS25424
CZ
- Name
- CEZNET s.r.o.
- Type
- Internet provider
- Registered
- Nov 19, 2002
- Domain
- internext.cz
- Website
- www.internext.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.9.192.0/21
37.9.192.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2011
- Current origin since
- Dec 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.9.192.0/21 | AS25424 | /21 | RIPE | RPKI valid |
IRR
Route objects on 37.9.192.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25424 | RIPE | INTERNEXT 2000 | INEXT-CZ-MNT | Dec 15, 2011 |
Whois
Registration for this announcement
- Range
- 37.
9. 192. 0/ 21 - Netname
- CZ-CEZNET21-20111215
- Registrant
- CEZNET s.r.o.
- Registrant country
- CZ
- Organization
- CEZNET s.r.o. (ORG-TBS13-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Dec 15, 2011
- Updated
- Feb 10, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Dec 15, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
inext. cz - Name
- INTERNEXT 2000 ABUSE
- Handle
- IA3288-RIPE