Network topology

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

AS2648

Currently announcedSnapshot awaiting refresh

National Oceanic and Atmospheric Administration · NOAA-BOULDER

Last observed9/29/2026, 09:22:49Open ASN profile →

AS2648 relationship topology

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AS2648National Oceanic and At…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3477National Oceanic and Atmospheric Administration

Relationship: Upstream
Observed weight: 390
ASN registration country: United States
Latest RIS data: 10/26/2026, 08:00:00

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 390	National Oceanic and Atmospheric Administration	Upstream	United States	8/19/2019, 00:00:00	10/26/2026, 08:00:00	4,411	542

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