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Data as of Nov 9, 2026

89.251.128.0/20

No anonymizer space · no proxy exits in 30 days

TKRZ Stadtwerke GmbH · space held by microPLAN IT Systemhaus GmbH

Announcement
this exact prefix
RPKI valid
Announced by
AS42184
Type
Unknown
81% of it

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
89.251.128.0/204,096DE-MICROPLAN-20060911microPLAN IT Systemhaus GmbH (ORG-MGFP1-RIPE) · DEALLOCATED PASep 11, 2006technik@rz-24.de
└ 89.251.128.0/221,024MICROPLAN-GMBH-NET-IIMP Internal InfrastructureASSIGNED PAApr 2, 2007technik@rz-24.de
via DE-MICROPLAN-20060911
└ 89.251.132.0/24256MICROPLAN-GMBH-NET-IIIunknownASSIGNED PAApr 2, 2007technik@rz-24.de
via DE-MICROPLAN-20060911
└ 89.251.133.0/24256MICROPLAN-GMBH-NET-IVunknownASSIGNED PAJul 24, 2017technik@rz-24.de
via DE-MICROPLAN-20060911
└ 89.251.134.0/24256MICROPLAN-GMBH-NET-VunknownASSIGNED PAJul 24, 2017technik@rz-24.de
via DE-MICROPLAN-20060911

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

4,096 addresses
TypeAddressesShareRanges
Unknown3,32881%2
Business76819%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS42184

DE
Name
TKRZ Stadtwerke GmbH
Type
Internet provider
Registered
Jan 10, 2007
Domain
tkrz-business.de
Website
www.tkrz-business.de
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed