AS174 ASPA Check - Cogent Communications

Published

COGENT-174 - Cogent Communications, LLC🇺🇸 - ASPA check for AS174: the upstream transit providers AS174 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS174 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
408

How to read this ASPA check

AS174 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS174 as its provider is ASPA-invalid.

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

Peering Topology

AS174 peering topology: 1 upstream provider and 408 downstream customersUpstreams: transit-free (Tier 1). Downstreams: AS559, AS835, AS897, AS978, AS992, AS1213, AS1239, AS2572 and more.AS174 - COGENT-174 - Cogent Communications, LLCAS174COGENT-174 - Cogent C…👑Tier 1Transit-freeTransit-free - no upstream providerAS559Switch SWITCHAS559 - Switch SWITCHAS835GOCODEIT-EDGE - GoCod…AS835 - GOCODEIT-EDGE - GoCodeIT IncAS897TURTLE-ROCK-STUDIOS -…AS897 - TURTLE-ROCK-STUDIOS - Turtle Rock Studios, Inc.AS978SHAMROCK-TRADING-CORP…AS978 - SHAMROCK-TRADING-CORPORATION - Shamrock Trading CorporationAS992MODEST-LABS - Modest …AS992 - MODEST-LABS - Modest Labs LLCAS1213Asiera ASIERA TECHNOL…AS1213 - Asiera ASIERA TECHNOLOGY SERVICES CLGAS1239COGENT-1239 - Cogent …AS1239 - COGENT-1239 - Cogent Communications, LLCAS2572MORENET - University …AS2572 - MORENET - University of Missouri - dba the Missouri Research and Education Network (MOREnet)View all 408 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(1)

AS174 authorizes these ASNs as upstream transit providers.

ASNName
Tier 1Transit-free - declares no upstream provider

Downstream Customers(408)

These ASNs list AS174 as an authorized upstream provider.

ASNName
AS559🇨🇭Switch SWITCH
AS835🇨🇦GOCODEIT-EDGE - GoCodeIT Inc
AS897🇺🇸TURTLE-ROCK-STUDIOS - Turtle Rock Studios, Inc.
AS978🇺🇸SHAMROCK-TRADING-CORPORATION - Shamrock Trading Corporation
AS992🇺🇸MODEST-LABS - Modest Labs LLC
AS1213🇮🇪Asiera ASIERA TECHNOLOGY SERVICES CLG
AS1239🇺🇸COGENT-1239 - Cogent Communications, LLC
AS2572🇺🇸MORENET - University of Missouri - dba the Missouri Research and Education Network (MOREnet)
AS2605🇨🇿CESNET CESNET z.s.p.o.
AS2728🇺🇸GIGSOUTH - Gigsouth, LLC
408 total
1 / 41

ASPA object expires: 2026-10-29

Related Tools and Guides

← Back to AS174