AS401953 ASPA Check - U.S. Small Business Administration

Published

SBA1DC - U.S. Small Business Administration🇺🇸 - ASPA check for AS401953: the upstream transit providers AS401953 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS401953 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
5
Downstream Customers
0

How to read this ASPA check

The 5 providers below are the only networks allowed to appear directly above AS401953 in an AS-path. If AS401953 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

AS401953 peering topology: 5 upstream providers and 0 downstream customersUpstreams: AS4185, AS4186, AS7018, AS14618, AS16509. No downstreams.AS401953 - SBA1DC - U.S. Small Business AdministrationAS401953SBA1DC - U.S. Small B…AS4185ATTIS-ASN4185 - ATT E…AS4185 - ATTIS-ASN4185 - ATT Enterprises, LLCAS4186ATTIS-ASN4186 - ATT E…AS4186 - ATTIS-ASN4186 - ATT Enterprises, LLCAS7018ATT-INTERNET4 - ATT E…AS7018 - ATT-INTERNET4 - ATT Enterprises, LLCAS14618AMAZON-AES - Amazon.c…AS14618 - AMAZON-AES - Amazon.com, Inc.AS16509AMAZON-02 - Amazon.co…AS16509 - AMAZON-02 - Amazon.com, Inc.UPSTREAMSDOWNSTREAMS

Upstream Providers(5)

AS401953 authorizes these ASNs as upstream transit providers.

ASNName
AS4185🇺🇸ATTIS-ASN4185 - AT&T Enterprises, LLC
AS4186🇺🇸ATTIS-ASN4186 - AT&T Enterprises, LLC
AS7018🇺🇸ATT-INTERNET4 - AT&T Enterprises, LLC
AS14618🇺🇸AMAZON-AES - Amazon.com, Inc.
AS16509🇺🇸AMAZON-02 - Amazon.com, Inc.

ASPA object expires: 2026-10-27

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