Network topology

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

AS3743

Currently announcedSnapshot awaiting refresh

Cleveland Cliffs Steel LLC · ARCEL-2

Last observed10/19/2026, 13:16:12Open ASN profile →

AS3743 relationship topology

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AS3743Cleveland Cliffs Steel …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

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

Relationship: Upstream
Observed weight: 263
ASN registration country: United States
Latest RIS data: 11/2/2026, 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 263	CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	2,303	0

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