Data as of Nov 9, 2026
81.6.139.0/24
11 residential-proxy exits · 30 daysMariusz Ufel trading as N3T Projekt · space held by Kielce University of Technology
Residential-proxy exits
Proxy exits
11
4.3% of its addresses · 30 days
Always-on exits
1
9.1% of its exits
Providers
42
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
541 observations
Proxy providers listing exits
- 2Captcha
- 2Extract
- 711Proxy
- AnyIP
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EZProxies
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- GonzoProxy
- HydraProxy
- IPFly
- IPOasis
- IPPeak
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- PuraRoute
- RainProxy
- RoamProxy
- Shifter
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
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 |
|---|---|---|---|---|---|---|
| 81.6.128.0/18 | 16,384 | PL-KUOT-20020624 | Kielce University of Technology (ORG-KUOT1-RIPE) · PL | ALLOCATED PA | Jun 24, 2002 | abuse@ |
| └ 81.6.139.0/24 | 256 | N3T | N3T Projekt | ASSIGNED PA | May 10, 2010 | abuse@ via PL-KUOT-20020624 |
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
Registry
Holder
- Organization
- Kielce University of Technology
- Handle
- ORG-KUOT1-RIPE
- Range
- 81.
6. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Jun 24, 2002
Origin network
AS43386
PL
- Name
- Mariusz Ufel trading as N3T Projekt
- Type
- Internet provider
- Registered
- Jan 18, 2017
- Domain
- n3t.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2017
- Current origin since
- Mar 2017 · 9.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 81.
6. 139. 0/ 24 - Netname
- N3T
- Registrant
- N3T Projekt
- Registrant country
- PL
- Organization
- N3T Projekt
- Org country
- PL
- Type
- ASSIGNED PA
- Created
- May 10, 2010
- Updated
- Sep 9, 2022
- Maintainer
- KUT-PL
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Jun 24, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
man. kielce. pl - Name
- Kielman NOC
- Handle
- KIE8-RIPE