Network topology

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

AS18289

Currently announcedSnapshot awaiting refresh

AS17653 - AS18431 · TAO_TORONTO

Last observed9/30/2026, 21:52:35Open ASN profile →

AS18289 relationship topology

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AS18289AS18431

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

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

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 11/8/2026, 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 256	ATGS-MMD-AS - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	11/8/2026, 00:00:00	336	0

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