Network topology

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

AS62520

Currently announcedSnapshot awaiting refresh

EMASON-ASN - eMASON, Inc · EMASON-ASN

Last observed10/6/2026, 09:57:25Open ASN profile →

AS62520 relationship topology

Showing 2 / 2

AS62520eMASON, Inc

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

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

Relationship: Upstream
Observed weight: 255
ASN registration country: United States
Latest RIS data: 10/6/2026, 00:00:00

Open AS209 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS209Observed weight 255	CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/6/2026, 00:00:00	332	0
AS3561Observed weight 255	CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/6/2026, 00:00:00	332	0

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