Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS25993

Currently announcedSnapshot awaiting refresh

ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC · ATT-LABS-AUSTIN-TX

Last observed10/16/2026, 00:00:00Open ASN profile →

AS25993 relationship topology

Showing 2 / 2

AS25993AT&T Enterprises, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 896
ASN registration country: United States
Latest RIS data: 10/20/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	Visible prefixes	Collectors
AS7018Observed weight 896	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	10/20/2026, 00:00:00	28	1
AS5671Observed weight 517	AT&T Enterprises, LLC	Downstream	United States	8/21/2019, 00:00:00	10/20/2026, 00:00:00	4	1

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context