Data as of Nov 12, 2026
81.26.4.0/24
1 residential-proxy exit · 30 daysKielce University of Technology
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
6
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
9 observations
Proxy providers listing exits
- 2Extract
- B2Proxy
- FastProxy
- Infatica
- RainProxy
- VantageProxies
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 |
|---|---|---|---|---|---|---|
| 81.26.0.0/19 | 8,192 | PL-KUOT-20020327 | Kielce University of Technology (ORG-KUOT1-RIPE) · PL | ALLOCATED PA | Jun 24, 2002 | abuse@ |
| └ 81.26.4.0/24 | 256 | POLITECHNIKA-SW | Kielce University of Technology - EAiI faculty | ASSIGNED PA | Jun 21, 2002 | abuse@ via PL-KUOT-20020327 |
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 81.26.0.0/20
- Prefix
- 81.26.0.0/20
- Announced by
- AS24848 Kielce University of Technology
- Type
- Business
- Proxy exits
- 13
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- PL-KUOT-20020327
- Registrant
- Kielce University of Technology
- RIR
- RIPE NCC
Origin network
AS24848
PL
- Name
- Kielce University of Technology
- Type
- Education
- Registered
- Apr 22, 2002
- Domain
- kielce.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.26.0.0/20
81.26.0.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.26.0.0/20 | AS24848 | /20 | RIPE | RPKI valid |
IRR
Route objects on 81.26.0.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS24848 | RIPE | Metropolitan Area Network KIELMAN | KUT-PL | Jan 30, 2004 |
Whois
Registration for this announcement
- Range
- 81.
26. 0. 0/ 19 - Netname
- PL-KUOT-20020327
- 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
- Mar 27, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
man. kielce. pl - Name
- Kielman NOC
- Handle
- KIE8-RIPE