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Data as of Nov 7, 2026

81.6.128.0/21

No anonymizer space · no proxy exits in 30 days

Kielce University of Technology

Announcement
this exact prefix
RPKI valid
Announced by
AS30778
Type
Business
88% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
81.6.133.0/24
since Sep 2024
AS209801ResidentialKielce 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, 2002abuse@man.kielce.pl
└ 81.6.128.0/2664POLITECHNIKA-SWKielce University Of Technology - COM InfrastructureASSIGNED PAJan 1, 2004abuse@man.kielce.pl
via PL-KUOT-20020624
└ 81.6.128.192/2664POLITECHNIKA-SWKielce University Of Technology - COM InfrastructureASSIGNED PAMar 30, 2004abuse@man.kielce.pl
via PL-KUOT-20020624
└ 81.6.129.0/24256ZETO-KIELCECentrum Systemow Komputerowych ZETO S.A. KielceASSIGNED PASep 11, 2008abuse@man.kielce.pl
via PL-KUOT-20020624
└ 81.6.133.0/24256VIRTUAL-FUTUREVirtual Future sp. z o.o.ASSIGNED PAAug 30, 2024abuse@man.kielce.pl
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

2,048 addresses
TypeAddressesShareRanges
Business1,79288%2
Residential25613%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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