AS3320 ASPA Check - DTAG Deutsche Telekom

Published

DTAG Deutsche Telekom AG🇩🇪 - ASPA check for AS3320: the upstream transit providers AS3320 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS3320 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
1
Downstream Customers
52

How to read this ASPA check

AS3320 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS3320 as its provider is ASPA-invalid.

Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.

Peering Topology

AS3320 peering topology: 1 upstream provider and 52 downstream customersUpstreams: transit-free (Tier 1). Downstreams: AS553, AS680, AS3303, AS5405, AS8300, AS8412, AS8454, AS9136 and more.AS3320 - DTAG Deutsche Telekom AGAS3320DTAG Deutsche Telekom…👑Tier 1Transit-freeTransit-free - no upstream providerAS553BELWUE Universitaet S…AS553 - BELWUE Universitaet StuttgartAS680DFN Verein zur Foerde…AS680 - DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.AS3303SWISSCOM Swisscom (Sc…AS3303 - SWISSCOM Swisscom (Schweiz) AGAS5405INTERDOTLINK Inter.li…AS5405 - INTERDOTLINK Inter.link GmbHAS8300Test-AS-Main Swisscom…AS8300 - Test-AS-Main Swisscom (Schweiz) AGAS8412TMA T-Mobile Austria …AS8412 - TMA T-Mobile Austria GmbHAS8454FMO FMO Flughafen Mue…AS8454 - FMO FMO Flughafen Muenster/Osnabrueck GmbHAS9136WOBCOM Wobcom GmbHAS9136 - WOBCOM Wobcom GmbHView all 52 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(1)

AS3320 authorizes these ASNs as upstream transit providers.

ASNName
Tier 1Transit-free - declares no upstream provider

Downstream Customers(52)

These ASNs list AS3320 as an authorized upstream provider.

ASNName
AS553🇩🇪BELWUE Universitaet Stuttgart
AS680🇩🇪DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS3303🇨🇭SWISSCOM Swisscom (Schweiz) AG
AS5405🇩🇪INTERDOTLINK Inter.link GmbH
AS8300🇨🇭Test-AS-Main Swisscom (Schweiz) AG
AS8412🇦🇹TMA T-Mobile Austria GmbH
AS8454🇩🇪FMO FMO Flughafen Muenster/Osnabrueck GmbH
AS9136🇩🇪WOBCOM Wobcom GmbH
AS12541🇪🇸LYNTIA_BB_AS LYNTIA NETWORKS S.A.
AS15372🇩🇪IBH-AS IBH connect GmbH
52 total
1 / 6

ASPA object expires: 2026-10-27

Related Tools and Guides

← Back to AS3320