Network topology

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

AS40623

Currently announcedSnapshot awaiting refresh

Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory · GFDL

Last observed10/3/2026, 09:51:46Open ASN profile →

AS40623 relationship topology

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AS40623Office of Oceanic and A…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3477National Oceanic and Atmospheric Administration

Relationship: Upstream
Observed weight: 358
ASN registration country: United States
Latest RIS data: 10/3/2026, 00:00:00

Open AS3477 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
AS3477Observed weight 358	National Oceanic and Atmospheric Administration	Upstream	United States	8/23/2019, 00:00:00	10/3/2026, 00:00:00	670	669

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