Network topology

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

AS15840

Currently announcedSnapshot awaiting refresh

ATT-INF001-A11 AT&T Global Network Services Nederland B.V. · ATT-INF001-A11

Last observed9/30/2026, 15:50:39Open ASN profile →

AS15840 relationship topology

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AS15840ATT-INF001-A11 AT&T Glo…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2686ATGS-MMD-AS - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 260
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS2686 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2686Observed weight 260	ATGS-MMD-AS - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	341	0

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