AS33891 ASPA — CORE BACKBONE Core Backbone Upstream Provider Authorization

Published

CORE-BACKBONE Core-Backbone GmbH🇩🇪

ASPA Status
Published
Upstream Providers
4
Downstream Customers
18

Peering Topology

AS33891CORE-BACKBONE Core-Ba…AS1299TWELVE99 Arelion Swed…AS1299 - TWELVE99 Arelion Sweden ABAS3257GTT-BACKBONE GTT Comm…AS3257 - GTT-BACKBONE GTT Communications Inc.AS3320DTAG Deutsche Telekom…AS3320 - DTAG Deutsche Telekom AGAS3356LEVEL3 - Level 3 Pare…AS3356 - LEVEL3 - Level 3 Parent, LLCAS5539SPACENET SpaceNet AGAS5539 - SPACENET SpaceNet AGAS8412TMA T-Mobile Austria …AS8412 - TMA T-Mobile Austria GmbHAS15945PfalzKom-Net PFALZKOM…AS15945 - PfalzKom-Net PFALZKOM GmbHAS29670IN-BERLIN-AS Individu…AS29670 - IN-BERLIN-AS Individual Network Berlin (IN-Berlin) e.V.AS39040NTSWorkspaceAG-AS3904…AS39040 - NTSWorkspaceAG-AS39040 NTS workspace AGAS39878RAUTER-AS Peter Raute…AS39878 - RAUTER-AS Peter Rauter GmbHAS42184AS-TKRZ TKRZ Stadtwer…AS42184 - AS-TKRZ TKRZ Stadtwerke GmbHAS51191XIRRA Core-Backbone G…AS51191 - XIRRA Core-Backbone GmbHView all 18 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(4)

AS33891 authorizes these ASNs as upstream transit providers.

ASNName
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS3257🇺🇸GTT-BACKBONE GTT Communications Inc.
AS3320🇩🇪DTAG Deutsche Telekom AG
AS3356🇺🇸LEVEL3 - Level 3 Parent, LLC

Downstream Customers(18)

These ASNs list AS33891 as an authorized upstream provider.

ASNName
AS5539🇩🇪SPACENET SpaceNet AG
AS8412🇦🇹TMA T-Mobile Austria GmbH
AS15945🇩🇪PfalzKom-Net PFALZKOM GmbH
AS29670🇩🇪IN-BERLIN-AS Individual Network Berlin ("IN-Berlin") e.V.
AS39040🇨🇭NTSWorkspaceAG-AS39040 NTS workspace AG
AS39878🇦🇹RAUTER-AS Peter Rauter GmbH
AS42184🇩🇪AS-TKRZ TKRZ Stadtwerke GmbH
AS51191🇩🇪XIRRA Core-Backbone GmbH
AS60574🇷🇴cc-netz-as01 Christian clos
AS62193🇩🇪BCIX-AS BCIX Management GmbH
18 total
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ASPA object expires: May 31, 2026

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