AS42184 — AS-TKRZ

AS42184 announces 13 IPv4 prefixes covering 18,688 addresses and 2 IPv6 prefixes.

About this network

AS-TKRZ is held by TKRZ Stadtwerke GmbH.

What it's used for

• The address space carries IT services and ISP infrastructure, evidenced by netnames such as DE-TKRZ-STADTWERKE-20070109 and DE-MICROPLAN-20060911.
• The AS announces 18,688 IPv4 addresses across 13 prefixes and 2 IPv6 prefixes, while maintaining 146 observed neighbours.
• As a subsidiary of Stadtwerke Emsdetten GmbH with over 20 years of experience as an IT service provider, the network supports business clients, data center operations, and internet service provision.

Notable

• Registrants for the majority of prefixes are TKRZ Stadtwerke GmbH, while 89.251.128.0/20 is registered to microPLAN IT Systemhaus GmbH and 88.218.84.0/22 and 185.72.200.0/22 are registered to nvb Nordhorner Versorgungsbetriebe GmbH.
• TKRZ Stadtwerke GmbH is a 100% subsidiary of Stadtwerke Emsdetten GmbH.
• The inventory consists of a mix of /21, /22, and /24 IPv4 blocks, with the largest being 89.251.128.0/20.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 45.82.124.0/22
• 88.218.84.0/22
• 89.251.128.0/20
• 91.190.224.0/21
• 178.251.8.0/21
• 185.64.168.0/22
• 185.72.200.0/22
• 185.124.232.0/22
• 185.143.168.0/22
• 185.153.140.0/22
• 188.64.248.0/21
• 194.15.152.0/22
• 194.49.22.0/24
• 2a02:f08::/32
• 2a06:b600::/29

Upstream networks

• AS33891 Core-Backbone GmbH
• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS37721 Virtual Technologies & Solutions
• AS50673 Serverius Holding B.V.
• AS212024 Marc Schmitt
• AS50300 CustodianDC Limited
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS48185 team.blue NV
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS3320 Deutsche Telekom AG
• AS31543 myNet GmbH
• AS20766 Association "Gitoyen"
• AS34927 iFog GmbH
• AS37100 SEACOM Limited
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS57463 NetIX Communications JSC
• AS12552 GlobalConnect AB
• AS34800 Securebit AG

Downstream networks

• AS202208 Teutel GmbH
• AS43397 items management GmbH trading as 'items GmbH & Co. KG'
• AS196731 egeplast international GmbH
• AS49552 OpenSource Training Ralf Spenneberg
• AS8454 FMO Flughafen Muenster/Osnabrueck GmbH
• AS196932 RheiNet GmbH
• AS204702 Deutsche Windtechnik GmbH & Co. KG
• AS215756 C. H. Schmitz Beteiligungsgesellschaft mbH trading as Schmitz-Werke GmbH & Co. KG
• AS210035 Stiftung Mathias-Spital Rheine
• AS197759 Enapter AG
• AS57137 SIEVERS-SNC Beteiligungs GmbH
• AS204989 Rekers Digitaltechnik Beteiligungsgesellschaft mbH trading as Rekers Digitaltechnik GmbH & Co.KG

Adjacent networks

• AS33891 Core-Backbone GmbH
• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS202208 Teutel GmbH
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS210035 Stiftung Mathias-Spital Rheine
• AS196731 egeplast international GmbH
• AS49552 OpenSource Training Ralf Spenneberg
• AS8454 FMO Flughafen Muenster/Osnabrueck GmbH
• AS196932 RheiNet GmbH
• AS204702 Deutsche Windtechnik GmbH & Co. KG
• AS43397 items management GmbH trading as 'items GmbH & Co. KG'
• AS215756 C. H. Schmitz Beteiligungsgesellschaft mbH trading as Schmitz-Werke GmbH & Co. KG
• AS197759 Enapter AG
• AS34549 meerfarbig GmbH & Co. KG
• AS57137 SIEVERS-SNC Beteiligungs GmbH
• AS29504 Freenet Liberec, z.s.
• AS3320 Deutsche Telekom AG
• AS31543 myNet GmbH
• AS50673 Serverius Holding B.V.
• AS24482 SG.GS
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS212024 Marc Schmitt

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• AMS-IX Amsterdam — Amsterdam, Netherlands
• DE-CIX Dusseldorf — Düsseldorf, Germany
• DE-CIX Munich — Munich, Germany
• Peering.cz — Prague, Czech Republic
• DE-CIX Hamburg — Hamburg, Germany