Network topology

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

AS3909

Currently announcedSnapshot awaiting refresh

CenturyLink Communications, LLC · CENTURYLINK-LEGACY-QWEST-VDOC

Last observed10/25/2026, 14:31:18Open ASN profile →

AS3909 relationship topology

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AS3909CenturyLink Communicati…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC

Relationship: Upstream
Observed weight: 367
ASN registration country: United States
Latest RIS data: 11/3/2026, 00:00:00

Open AS209 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
AS209Observed weight 367	CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/3/2026, 00:00:00	1,639	0

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