Data as of Nov 3, 2026
81.201.48.0/21
14 residential-proxy exits · 30 daysFreeTel, s.r.o.
Residential-proxy exits
Proxy exits
14
0.68% of its addresses · 30 days
Always-on exits
2
14% of its exits
Spread
6 of 8
/24s with at least one exit
Providers
42
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
3.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 81.201.48.0/24 | 2 | 8 | |
| 81.201.54.0/24 | 0 | 2 | |
| 81.201.50.0/24 | 0 | 1 | |
| 81.201.52.0/24 | 0 | 1 | |
| 81.201.53.0/24 | 0 | 1 | |
| 81.201.55.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BlurPath
- BottingTools
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- FastProxy
- Geonode
- GloryCloud
- HideProxy
- IPFly
- IPPeak
- InfiniteProxies
- LudaxProxy
- MoMoProxy
- NextProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateProxy
- ProxiesVision
- Proxiware
- ProxyEmpire
- ProxyGeo
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- Shifter
- StrikeProxy
- SwiftProxy
- ThunderProxy
- TrueProxies
- VantageProxies
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 81.201.48.0/20 | 4,096 | CZ-KLFREE-20060620 | FreeTel, s.r.o. (ORG-SK14-RIPE) · CZ | ALLOCATED PA | Jun 20, 2006 | [email protected] |
| └ 81.201.48.0/26 | 64 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jun 24, 2006 | [email protected] |
| └ 81.201.48.64 - 81.201.48.159 | 96 | NFX-SITEL | FreeTel s.r.o. (ORG-FT39-RIPE) | ASSIGNED PA | Mar 17, 2011 | [email protected] |
| └ 81.201.48.160/27 | 32 | NFX-PUBLIC-CORE | NFX, z.s.p.o (ORG-NFX2-RIPE) | ASSIGNED PA | Feb 25, 2007 | [email protected] |
| └ 81.201.48.192/26 | 64 | NFX-PUBLIC-CORE | NFX, z.s.p.o (ORG-NFX2-RIPE) | ASSIGNED PA | Feb 25, 2007 | [email protected] |
| └ 81.201.49.0/26 | 64 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jun 24, 2006 | [email protected] |
| └ 81.201.49.64/26 | 64 | MAGISTRAT-KLADNO | Magistrat mesta Kladna (ORG-MAKL1-RIPE) | ASSIGNED PA | Oct 30, 2007 | [email protected] |
| └ 81.201.49.128/25 | 128 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jul 15, 2007 | [email protected] |
| └ 81.201.50.0/25 | 128 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jul 15, 2007 | [email protected] |
| └ 81.201.50.128/25 | 128 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jun 24, 2006 | [email protected] |
| └ 81.201.51.0/24 | 256 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jun 24, 2006 | [email protected] |
| └ 81.201.52.0/22 | 1,024 | KLFREENET | KLFree.net, o.s. (ORG-KLF1-RIPE) | ASSIGNED PA | Jun 24, 2006 | [email protected] |
Network & registry
Origin network
AS8251
CZ
- Name
- FreeTel, s.r.o.
- Type
- Internet provider
- Registered
- Jul 17, 2006
- Domain
- nfx.cz
- Website
- www.nfx.cz
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2006
- Current origin since
- Oct 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.201.48.0/21 | AS8251 | /21 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 81.201.48.0/20
- Netname
- CZ-KLFREE-20060620
- Registrant
- FreeTel, s.r.o.
- Registrant country
- CZ
- Organization
- FreeTel, s.r.o. (ORG-SK14-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jun 20, 2006
- Updated
- Aug 30, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jun 20, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- NFX z.s.p.o. / FreeTel, s.r.o. / AS 8251 last-resort abuse mailbox
- Handle
- NFXA-RIPE