AS7018 ASPA Check - AT&T Enterprises

Published

ATT-INTERNET4 - AT&T Enterprises, LLC🇺🇸 - ASPA check for AS7018: the upstream transit providers AS7018 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS7018 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
42

How to read this ASPA check

AS7018 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS7018 as its provider is ASPA-invalid.

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

Peering Topology

AS7018 peering topology: 1 upstream provider and 42 downstream customersUpstreams: transit-free (Tier 1). Downstreams: AS797, AS1647, AS4466, AS6389, AS7287, AS11185, AS11203, AS11983 and more.AS7018 - ATT-INTERNET4 - ATT Enterprises, LLCAS7018ATT-INTERNET4 - ATT E…👑Tier 1Transit-freeTransit-free - no upstream providerAS797AMERITECH-AS - ATT Se…AS797 - AMERITECH-AS - ATT Services, Inc.AS1647INTEROP-AS - Interop …AS1647 - INTEROP-AS - Interop TechnologiesAS4466EASYLINK2 - ATT Enter…AS4466 - EASYLINK2 - ATT Enterprises, LLCAS6389BELLSOUTH-NET-BLK - A…AS6389 - BELLSOUTH-NET-BLK - ATT Enterprises, LLCAS7287PBI-NET-BLK2 - ATT En…AS7287 - PBI-NET-BLK2 - ATT Enterprises, LLCAS11185DREAMHACK - DreamHack…AS11185 - DREAMHACK - DreamHack IncAS11203MATRIX-BROADBAND - Ma…AS11203 - MATRIX-BROADBAND - Matrix BroadbandAS11983TIKTOK-USDS - Tiktok …AS11983 - TIKTOK-USDS - Tiktok U.S. Data Security Inc.View all 42 downstreams →UPSTREAMSDOWNSTREAMS

Upstream Providers(1)

AS7018 authorizes these ASNs as upstream transit providers.

ASNName
Tier 1Transit-free - declares no upstream provider

Downstream Customers(42)

These ASNs list AS7018 as an authorized upstream provider.

ASNName
AS797AMERITECH-AS - AT&T Services, Inc.
AS1647🇺🇸INTEROP-AS - Interop Technologies
AS4466🇺🇸EASYLINK2 - AT&T Enterprises, LLC
AS6389BELLSOUTH-NET-BLK - AT&T Enterprises, LLC
AS7287PBI-NET-BLK2 - AT&T Enterprises, LLC
AS11185🇺🇸DREAMHACK - DreamHack Inc
AS11203🇺🇸MATRIX-BROADBAND - Matrix Broadband
AS11983🇺🇸TIKTOK-USDS - Tiktok U.S. Data Security Inc.
AS14103🇺🇸ACDNET-ASN1 - ACD.net
AS14299🇺🇸ADP1 - Automatic Data Processing, Inc.
42 total
1 / 5

ASPA object expires: 2026-10-28

Related Tools and Guides

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