Data as of Nov 3, 2026

81.6.136.0/23

No anonymizer space · no proxy exits in 30 days

Kielce University of Technology

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
81.6.136.0/24
since May 2019
AS208930BusinessKielce 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.6.128.0/1816,384PL-KUOT-20020624Kielce University of Technology (ORG-KUOT1-RIPE) · PLALLOCATED PAJun 24, 2002[email protected]
└ 81.6.136.0/24256INTERBIT-KIELCE-PLINTERBITASSIGNED PAFeb 20, 2008[email protected]
via PL-KUOT-20020624
└ 81.6.137.160/2732POLITECHNIKA-SWKielce University Of Technology - Cenwis (customer services)ASSIGNED PAJun 18, 2026[email protected]
via PL-KUOT-20020624
└ 81.6.137.208/298WSPSPOLEM-KIELCEWSP SpolemASSIGNED PAJun 18, 2026[email protected]
via PL-KUOT-20020624
└ 81.6.137.216/298POLITECHNIKA-SWKielce University Of Technology - customer servicesASSIGNED PAJun 18, 2026[email protected]
via PL-KUOT-20020624
└ 81.6.137.224/304PORR-KIELCEPORR S.A., KielceASSIGNED PAJun 17, 2026[email protected]
via PL-KUOT-20020624
└ 81.6.137.232/298PRZEWOZYREGIONALNEPrzewozy RegionalneASSIGNED PAJun 17, 2026[email protected]
via PL-KUOT-20020624
└ 81.6.137.240/2816ITECH-KIELCEItech sp. z o.o. KielceASSIGNED PASep 1, 2010[email protected]
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

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