Data as of Nov 7, 2026
81.6.140.0/22
8 residential-proxy exits · 30 daysKielce University of Technology
Residential-proxy exits
Proxy exits
8
0.78% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
41
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
1.2K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 81.6.142.0/24 | 0 | 6 | |
| 81.6.143.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- 2Extract
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- EnigmaProxy
- FlashProxy
- FlexyProxies
- FloppyData
- Geonode
- GloryCloud
- GonzoProxy
- IPOasis
- Infatica
- InfiniteProxies
- LemonBright
- LightningProxies
- MangoProxy
- NodeProxy
- NovaProxy
- Novada
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyHat
- Proxyma
- Shifter
- Thordata
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 81.6.140.0/24 since Nov 2025 | AS43386 | Residential | Kielce University of Technology |
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@ |
| └ 81.6.140.0/24 | 256 | N3T | N3T Projekt | ASSIGNED PA | Nov 10, 2025 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.142.0/24 | 256 | PCANMA | F.W.ANMA | ASSIGNED PA | Mar 28, 2011 | abuse@ via PL-KUOT-20020624 |
| └ 81.6.143.0/25 | 128 | PCANMA | F.W.ANMA | ASSIGNED PA | Apr 14, 2015 | 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 768 | 75% | 1 | |
| Residential | 256 | 25% | 1 |
Network & registry
Origin network
AS30778
PL
- Name
- Kielce University of Technology
- Type
- Education
- Registered
- Dec 2, 2003
- Domain
- kielce.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2018
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 81.
6. 128. 0/ 18 - Netname
- PL-KUOT-20020624
- Registrant
- Kielce University of Technology
- Registrant country
- PL
- Organization
- Kielce University of Technology (ORG-KUOT1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Jun 24, 2002
- Updated
- Mar 17, 2021
- Maintainer
- RIPE-NCC-HM-MNT
- 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