AS3257 ASPA Check - GTT BACKBONE GTT Communications

Published

GTT-BACKBONE GTT Communications Inc.🇺🇸 - ASPA check for AS3257: the upstream transit providers AS3257 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS3257 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
134

How to read this ASPA check

AS3257 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS3257 as its provider is ASPA-invalid.

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

Peering Topology

AS3257 peering topology: 1 upstream provider and 134 downstream customersUpstreams: transit-free (Tier 1). Downstreams: AS559, AS835, AS1213, AS2572, AS2734, AS3170, AS3291, AS3327 and more.AS3257 - GTT-BACKBONE GTT Communications Inc.AS3257GTT-BACKBONE GTT Comm…👑Tier 1Transit-freeTransit-free - no upstream providerAS559Switch SWITCHAS559 - Switch SWITCHAS835GOCODEIT-EDGE - GoCod…AS835 - GOCODEIT-EDGE - GoCodeIT IncAS1213Asiera ASIERA TECHNOL…AS1213 - Asiera ASIERA TECHNOLOGY SERVICES CLGAS2572MORENET - University …AS2572 - MORENET - University of Missouri - dba the Missouri Research and Education Network (MOREnet)AS2734CORESITE - CoreSiteAS2734 - CORESITE - CoreSiteAS3170VELOXSERV VeloxServ C…AS3170 - VELOXSERV VeloxServ Communications LtdAS3291PSINet-Europe GTT Com…AS3291 - PSINet-Europe GTT Communications Inc.AS3327CITIC CITIC Telecom C…AS3327 - CITIC CITIC Telecom CPC Netherlands B.V.View all 134 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(1)

AS3257 authorizes these ASNs as upstream transit providers.

ASNName
Tier 1Transit-free - declares no upstream provider

Downstream Customers(134)

These ASNs list AS3257 as an authorized upstream provider.

ASNName
AS559🇨🇭Switch SWITCH
AS835🇨🇦GOCODEIT-EDGE - GoCodeIT Inc
AS1213🇮🇪Asiera ASIERA TECHNOLOGY SERVICES CLG
AS2572🇺🇸MORENET - University of Missouri - dba the Missouri Research and Education Network (MOREnet)
AS2734🇺🇸CORESITE - CoreSite
AS3170🇬🇧VELOXSERV VeloxServ Communications Ltd
AS3291🇺🇸PSINet-Europe GTT Communications Inc.
AS3327🇳🇱CITIC CITIC Telecom CPC Netherlands B.V.
AS4181🇺🇸TDS-AS - TDS TELECOM
AS5405🇩🇪INTERDOTLINK Inter.link GmbH
134 total
1 / 14

ASPA object expires: 2026-10-27

Related Tools and Guides

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