AS41051 ASPA Check - FREETRANSIT Openfactory

Published

FREETRANSIT Openfactory GmbH🇨🇭 - ASPA check for AS41051: the upstream transit providers AS41051 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS41051 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
7
Downstream Customers
171

How to read this ASPA check

The 7 providers below are the only networks allowed to appear directly above AS41051 in an AS-path. If AS41051 uses a transit provider that is missing from this list, routers that enforce ASPA treat its routes through that provider as invalid, so the list should include every current and backup transit provider. Peers do not belong in it.

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

Peering Topology

AS41051 peering topology: 7 upstream providers and 171 downstream customersUpstreams: AS6939, AS9002, AS39351, AS49585, AS50629, AS56381, AS58299. Downstreams: AS16909, AS17160, AS25538, AS34452, AS41047, AS47509, AS51087, AS60900 and more.AS41051 - FREETRANSIT Openfactory GmbHAS41051FREETRANSIT Openfacto…AS6939HURRICANE - Hurricane…AS6939 - HURRICANE - Hurricane Electric LLCAS9002RETN-AS RETN LimitedAS9002 - RETN-AS RETN LimitedAS39351ESAB-AS 31173 Service…AS39351 - ESAB-AS 31173 Services ABAS49585COREROUTE-AS CoreRout…AS49585 - COREROUTE-AS CoreRoute UG (haftungsbeschraenkt)AS50629LWLCOM LWLcom GmbHAS50629 - LWLCOM LWLcom GmbHAS56381AS-LEVEL66-NETWORK le…AS56381 - AS-LEVEL66-NETWORK level66.network UG (haftungsbeschraenkt)AS58299OPENFACTORY-AS Openfa…AS58299 - OPENFACTORY-AS Openfactory GmbHAS16909IMPUT - imputAS16909 - IMPUT - imputAS17160NCOM-NA - Neofelis Co…AS17160 - NCOM-NA - Neofelis CommunicationsAS25538IN-ULM Internet Ulm/N…AS25538 - IN-ULM Internet Ulm/Neu-Ulm e.V.AS34452SCHECK-AS Robert Sche…AS34452 - SCHECK-AS Robert ScheckAS41047NL-MLAB Bart VranckenAS41047 - NL-MLAB Bart VranckenAS47509WT70-AS Wai-Wah TangAS47509 - WT70-AS Wai-Wah TangAS51087BLING-AS Bling Networ…AS51087 - BLING-AS Bling Network LtdAS60900SsmidgeTechnologies A…AS60900 - SsmidgeTechnologies Adrian Trifonov trading as Ssmidge TechnologiesView all 171 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(7)

AS41051 authorizes these ASNs as upstream transit providers.

ASNName
AS6939🇺🇸HURRICANE - Hurricane Electric LLC
AS9002🇬🇧RETN-AS RETN Limited
AS39351🇸🇪ESAB-AS 31173 Services AB
AS49585🇩🇪COREROUTE-AS CoreRoute UG (haftungsbeschraenkt)
AS50629🇩🇪LWLCOM LWLcom GmbH
AS56381🇩🇪AS-LEVEL66-NETWORK level66.network UG (haftungsbeschraenkt)
AS58299🇨🇭OPENFACTORY-AS Openfactory GmbH

Downstream Customers(171)

These ASNs list AS41051 as an authorized upstream provider.

ASNName
AS16909🇺🇸IMPUT - imput
AS17160🇺🇸NCOM-NA - Neofelis Communications
AS25538🇩🇪IN-ULM Internet Ulm/Neu-Ulm e.V.
AS34452🇩🇪SCHECK-AS Robert Scheck
AS41047🇳🇱NL-MLAB Bart Vrancken
AS47509🇬🇧WT70-AS Wai-Wah Tang
AS51087🇬🇧BLING-AS Bling Network Ltd
AS60900🇨🇦SsmidgeTechnologies Adrian Trifonov trading as Ssmidge Technologies
AS197736🇮🇹MB Matteo Berrettoni
AS197885🇩🇪EST-IT Erik Stomp
171 total
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ASPA object expires: 2026-10-27

Related Tools and Guides

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